merge: upstream

14 files changed, 772 insertions, 416 deletions

diff --git a/packages/backend/migration/1704959805077-bubble-game-record.js b/packages/backend/migration/1704959805077-bubble-game-record.js
new file mode 100644
index 0000000000..cc45b09c82
--- /dev/null
+++ b/packages/backend/migration/1704959805077-bubble-game-record.js
@@ -0,0 +1,24 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export class BubbleGameRecord1704959805077 {
+    name = 'BubbleGameRecord1704959805077'
+
+    async up(queryRunner) {
+        await queryRunner.query(`CREATE TABLE "bubble_game_record" ("id" character varying(32) NOT NULL, "userId" character varying(32) NOT NULL, "seededAt" TIMESTAMP WITH TIME ZONE NOT NULL, "seed" character varying(1024) NOT NULL, "gameVersion" integer NOT NULL, "gameMode" character varying(128) NOT NULL, "score" integer NOT NULL, "logs" jsonb NOT NULL DEFAULT '[]', "isVerified" boolean NOT NULL DEFAULT false, CONSTRAINT "PK_a75395fe404b392e2893b50d7ea" PRIMARY KEY ("id"))`);
+        await queryRunner.query(`CREATE INDEX "IDX_75276757070d21fdfaf4c05290" ON "bubble_game_record" ("userId") `);
+        await queryRunner.query(`CREATE INDEX "IDX_4ae7053179014915d1432d3f40" ON "bubble_game_record" ("seededAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_26d4ee490b5a487142d35466ee" ON "bubble_game_record" ("score") `);
+        await queryRunner.query(`ALTER TABLE "bubble_game_record" ADD CONSTRAINT "FK_75276757070d21fdfaf4c052909" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "bubble_game_record" DROP CONSTRAINT "FK_75276757070d21fdfaf4c052909"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_26d4ee490b5a487142d35466ee"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_4ae7053179014915d1432d3f40"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_75276757070d21fdfaf4c05290"`);
+        await queryRunner.query(`DROP TABLE "bubble_game_record"`);
+    }
+}
diff --git a/packages/backend/src/di-symbols.ts b/packages/backend/src/di-symbols.ts
index 0c5ac8f2d3..b6327e5dbc 100644
--- a/packages/backend/src/di-symbols.ts
+++ b/packages/backend/src/di-symbols.ts
@@ -79,5 +79,6 @@ export const DI = {
 	flashLikesRepository: Symbol('flashLikesRepository'),
 	userMemosRepository: Symbol('userMemosRepository'),
 	noteEditRepository: Symbol('noteEditRepository'),
+	bubbleGameRecordsRepository: Symbol('bubbleGameRecordsRepository'),
 	//#endregion
 };
diff --git a/packages/backend/src/models/BubbleGameRecord.ts b/packages/backend/src/models/BubbleGameRecord.ts
new file mode 100644
index 0000000000..4b483ed4d3
--- /dev/null
+++ b/packages/backend/src/models/BubbleGameRecord.ts
@@ -0,0 +1,57 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { id } from './util/id.js';
+import { MiUser } from './User.js';
+
+@Entity('bubble_game_record')
+export class MiBubbleGameRecord {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column({
+		...id(),
+	})
+	public userId: MiUser['id'];
+
+	@ManyToOne(type => MiUser, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public user: MiUser | null;
+
+	@Index()
+	@Column('timestamp with time zone')
+	public seededAt: Date;
+
+	@Column('varchar', {
+		length: 1024,
+	})
+	public seed: string;
+
+	@Column('integer')
+	public gameVersion: number;
+
+	@Column('varchar', {
+		length: 128,
+	})
+	public gameMode: string;
+
+	@Index()
+	@Column('integer')
+	public score: number;
+
+	@Column('jsonb', {
+		default: [],
+	})
+	public logs: any[];
+
+	@Column('boolean', {
+		default: false,
+	})
+	public isVerified: boolean;
+}
diff --git a/packages/backend/src/models/RepositoryModule.ts b/packages/backend/src/models/RepositoryModule.ts
index 0b5d3b640f..9c42b31743 100644
--- a/packages/backend/src/models/RepositoryModule.ts
+++ b/packages/backend/src/models/RepositoryModule.ts
@@ -5,7 +5,7 @@
 
 import { Module } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import { MiAbuseUserReport, MiAccessToken, MiAd, MiAnnouncement, MiAnnouncementRead, MiAntenna, MiApp, MiAuthSession, MiAvatarDecoration, MiBlocking, MiChannel, MiChannelFavorite, MiChannelFollowing, MiClip, MiClipFavorite, MiClipNote, MiDriveFile, MiDriveFolder, MiEmoji, MiFlash, MiFlashLike, MiFollowRequest, MiFollowing, MiGalleryLike, MiGalleryPost, MiHashtag, MiInstance, MiMeta, MiModerationLog, MiMuting, MiNote, MiNoteFavorite, MiNoteReaction, MiNoteThreadMuting, MiNoteUnread, MiPage, MiPageLike, MiPasswordResetRequest, MiPoll, MiPollVote, MiPromoNote, MiPromoRead, MiRegistrationTicket, MiRegistryItem, MiRelay, MiRenoteMuting, MiRetentionAggregation, MiRole, MiRoleAssignment, MiSignin, MiSwSubscription, MiUsedUsername, MiUser, MiUserIp, MiUserKeypair, MiUserList, MiUserListFavorite, MiUserListMembership, MiUserMemo, MiUserNotePining, MiUserPending, MiUserProfile, MiUserPublickey, MiUserSecurityKey, MiWebhook, NoteEdit } from './_.js';
+import { MiAbuseUserReport, MiAccessToken, MiAd, MiAnnouncement, MiAnnouncementRead, MiAntenna, MiApp, MiAuthSession, MiAvatarDecoration, MiBlocking, MiChannel, MiChannelFavorite, MiChannelFollowing, MiClip, MiClipFavorite, MiClipNote, MiDriveFile, MiDriveFolder, MiEmoji, MiFlash, MiFlashLike, MiFollowRequest, MiFollowing, MiGalleryLike, MiGalleryPost, MiHashtag, MiInstance, MiMeta, MiModerationLog, MiMuting, MiNote, MiNoteFavorite, MiNoteReaction, MiNoteThreadMuting, MiNoteUnread, MiPage, MiPageLike, MiPasswordResetRequest, MiPoll, MiPollVote, MiPromoNote, MiPromoRead, MiRegistrationTicket, MiRegistryItem, MiRelay, MiRenoteMuting, MiRetentionAggregation, MiRole, MiRoleAssignment, MiSignin, MiSwSubscription, MiUsedUsername, MiUser, MiUserIp, MiUserKeypair, MiUserList, MiUserListFavorite, MiUserListMembership, MiUserMemo, MiUserNotePining, MiUserPending, MiUserProfile, MiUserPublickey, MiUserSecurityKey, MiWebhook, NoteEdit, MiBubbleGameRecord } from './_.js';
 import type { DataSource } from 'typeorm';
 import type { Provider } from '@nestjs/common';
 
@@ -405,6 +405,12 @@ const $noteEditRepository: Provider = {
 	inject: [DI.db],
 };
 
+const $bubbleGameRecordsRepository: Provider = {
+	provide: DI.bubbleGameRecordsRepository,
+	useFactory: (db: DataSource) => db.getRepository(MiBubbleGameRecord),
+	inject: [DI.db],
+};
+
 @Module({
 	imports: [
 	],
@@ -475,6 +481,7 @@ const $noteEditRepository: Provider = {
 		$flashLikesRepository,
 		$userMemosRepository,
 		$noteEditRepository,
+		$bubbleGameRecordsRepository,
 	],
 	exports: [
 		$usersRepository,
@@ -543,6 +550,7 @@ const $noteEditRepository: Provider = {
 		$flashLikesRepository,
 		$userMemosRepository,
 		$noteEditRepository,
+		$bubbleGameRecordsRepository,
 	],
 })
 export class RepositoryModule {}
diff --git a/packages/backend/src/models/_.ts b/packages/backend/src/models/_.ts
index 2a7810235e..53b9f44cc0 100644
--- a/packages/backend/src/models/_.ts
+++ b/packages/backend/src/models/_.ts
@@ -69,6 +69,7 @@ import { MiFlash } from '@/models/Flash.js';
 import { MiFlashLike } from '@/models/FlashLike.js';
 import { MiUserListFavorite } from '@/models/UserListFavorite.js';
 import { NoteEdit } from '@/models/NoteEdit.js';
+import { MiBubbleGameRecord } from '@/models/BubbleGameRecord.js';
 import type { Repository } from 'typeorm';
 
 export {
@@ -138,6 +139,7 @@ export {
 	MiFlashLike,
 	MiUserMemo,
 	NoteEdit,
+	MiBubbleGameRecord,
 };
 
 export type AbuseUserReportsRepository = Repository<MiAbuseUserReport>;
@@ -206,3 +208,4 @@ export type FlashsRepository = Repository<MiFlash>;
 export type FlashLikesRepository = Repository<MiFlashLike>;
 export type UserMemoRepository = Repository<MiUserMemo>;
 export type NoteEditRepository = Repository<NoteEdit>;
+export type BubbleGameRecordsRepository = Repository<MiBubbleGameRecord>;
diff --git a/packages/backend/src/postgres.ts b/packages/backend/src/postgres.ts
index 18773a1b66..395c7ab44b 100644
--- a/packages/backend/src/postgres.ts
+++ b/packages/backend/src/postgres.ts
@@ -77,6 +77,7 @@ import { MiFlash } from '@/models/Flash.js';
 import { MiFlashLike } from '@/models/FlashLike.js';
 import { MiUserMemo } from '@/models/UserMemo.js';
 import { NoteEdit } from '@/models/NoteEdit.js';
+import { MiBubbleGameRecord } from '@/models/BubbleGameRecord.js';
 
 import { Config } from '@/config.js';
 import MisskeyLogger from '@/logger.js';
@@ -192,6 +193,7 @@ export const entities = [
 	MiFlashLike,
 	MiUserMemo,
 	NoteEdit,
+	MiBubbleGameRecord,
 	...charts,
 ];
 
diff --git a/packages/backend/src/server/api/EndpointsModule.ts b/packages/backend/src/server/api/EndpointsModule.ts
index f77c50012d..1f37c74c01 100644
--- a/packages/backend/src/server/api/EndpointsModule.ts
+++ b/packages/backend/src/server/api/EndpointsModule.ts
@@ -377,6 +377,8 @@ import * as ep___fetchRss from './endpoints/fetch-rss.js';
 import * as ep___fetchExternalResources from './endpoints/fetch-external-resources.js';
 import * as ep___retention from './endpoints/retention.js';
 import * as ep___sponsors from './endpoints/sponsors.js';
+import * as ep___bubbleGame_register from './endpoints/bubble-game/register.js';
+import * as ep___bubbleGame_ranking from './endpoints/bubble-game/ranking.js';
 import { GetterService } from './GetterService.js';
 import { ApiLoggerService } from './ApiLoggerService.js';
 import type { Provider } from '@nestjs/common';
@@ -752,6 +754,8 @@ const $fetchRss: Provider = { provide: 'ep:fetch-rss', useClass: ep___fetchRss.d
 const $fetchExternalResources: Provider = { provide: 'ep:fetch-external-resources', useClass: ep___fetchExternalResources.default };
 const $retention: Provider = { provide: 'ep:retention', useClass: ep___retention.default };
 const $sponsors: Provider = { provide: 'ep:sponsors', useClass: ep___sponsors.default };
+const $bubbleGame_register: Provider = { provide: 'ep:bubble-game/register', useClass: ep___bubbleGame_register.default };
+const $bubbleGame_ranking: Provider = { provide: 'ep:bubble-game/ranking', useClass: ep___bubbleGame_ranking.default };
 
 @Module({
 	imports: [
@@ -1131,6 +1135,8 @@ const $sponsors: Provider = { provide: 'ep:sponsors', useClass: ep___sponsors.de
 		$fetchExternalResources,
 		$retention,
 		$sponsors,
+		$bubbleGame_register,
+		$bubbleGame_ranking,
 	],
 	exports: [
 		$admin_meta,
@@ -1501,6 +1507,8 @@ const $sponsors: Provider = { provide: 'ep:sponsors', useClass: ep___sponsors.de
 		$fetchExternalResources,
 		$retention,
 		$sponsors,
+		$bubbleGame_register,
+		$bubbleGame_ranking,
 	],
 })
 export class EndpointsModule {}
diff --git a/packages/backend/src/server/api/endpoints.ts b/packages/backend/src/server/api/endpoints.ts
index a7be81eb18..7510228bb9 100644
--- a/packages/backend/src/server/api/endpoints.ts
+++ b/packages/backend/src/server/api/endpoints.ts
@@ -378,6 +378,8 @@ import * as ep___fetchRss from './endpoints/fetch-rss.js';
 import * as ep___fetchExternalResources from './endpoints/fetch-external-resources.js';
 import * as ep___retention from './endpoints/retention.js';
 import * as ep___sponsors from './endpoints/sponsors.js';
+import * as ep___bubbleGame_register from './endpoints/bubble-game/register.js';
+import * as ep___bubbleGame_ranking from './endpoints/bubble-game/ranking.js';
 
 const eps = [
 	['admin/meta', ep___admin_meta],
@@ -751,6 +753,8 @@ const eps = [
 	['fetch-external-resources', ep___fetchExternalResources],
 	['retention', ep___retention],
 	['sponsors', ep___sponsors],
+	['bubble-game/register', ep___bubbleGame_register],
+	['bubble-game/ranking', ep___bubbleGame_ranking],
 ];
 
 interface IEndpointMetaBase {
diff --git a/packages/backend/src/server/api/endpoints/bubble-game/ranking.ts b/packages/backend/src/server/api/endpoints/bubble-game/ranking.ts
new file mode 100644
index 0000000000..0cba129a09
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/bubble-game/ranking.ts
@@ -0,0 +1,75 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { MoreThan } from 'typeorm';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import type { BubbleGameRecordsRepository } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.js';
+
+export const meta = {
+	tags: [],
+
+	allowGet: true,
+	cacheSec: 60,
+
+	errors: {
+	},
+
+	res: {
+		type: 'array',
+		optional: false, nullable: false,
+		items: {
+			type: 'object',
+			optional: false, nullable: false,
+			properties: {
+				id: { type: 'string', format: 'misskey:id' },
+				score: { type: 'integer' },
+				user: { ref: 'UserLite' },
+			},
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		gameMode: { type: 'string' },
+	},
+	required: ['gameMode'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.bubbleGameRecordsRepository)
+		private bubbleGameRecordsRepository: BubbleGameRecordsRepository,
+
+		private userEntityService: UserEntityService,
+	) {
+		super(meta, paramDef, async (ps) => {
+			const records = await this.bubbleGameRecordsRepository.find({
+				where: {
+					gameMode: ps.gameMode,
+					seededAt: MoreThan(new Date(Date.now() - 1000 * 60 * 60 * 24 * 7)),
+				},
+				order: {
+					score: 'DESC',
+				},
+				take: 10,
+				relations: ['user'],
+			});
+
+			const users = await this.userEntityService.packMany(records.map(r => r.user!), null, { detail: false });
+
+			return records.map(r => ({
+				id: r.id,
+				score: r.score,
+				user: users.find(u => u.id === r.user!.id),
+			}));
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/bubble-game/register.ts b/packages/backend/src/server/api/endpoints/bubble-game/register.ts
new file mode 100644
index 0000000000..af0f69e4ad
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/bubble-game/register.ts
@@ -0,0 +1,86 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import ms from 'ms';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { IdService } from '@/core/IdService.js';
+import type { BubbleGameRecordsRepository } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	tags: [],
+
+	requireCredential: true,
+
+	kind: 'write:account',
+
+	limit: {
+		duration: ms('1hour'),
+		max: 120,
+		minInterval: ms('30sec'),
+	},
+
+	errors: {
+		invalidSeed: {
+			message: 'Provided seed is invalid.',
+			code: 'INVALID_SEED',
+			id: 'eb627bc7-574b-4a52-a860-3c3eae772b88',
+		},
+	},
+
+	res: {
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		score: { type: 'integer', minimum: 0 },
+		seed: { type: 'string', minLength: 1, maxLength: 1024 },
+		logs: { type: 'array' },
+		gameMode: { type: 'string' },
+		gameVersion: { type: 'integer' },
+	},
+	required: ['score', 'seed', 'logs', 'gameMode', 'gameVersion'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.bubbleGameRecordsRepository)
+		private bubbleGameRecordsRepository: BubbleGameRecordsRepository,
+
+		private idService: IdService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const seedDate = new Date(parseInt(ps.seed, 10));
+			const now = new Date();
+
+			// シードが未来なのは通常のプレイではありえないので弾く
+			if (seedDate.getTime() > now.getTime()) {
+				throw new ApiError(meta.errors.invalidSeed);
+			}
+
+			// シードが古すぎる(1時間以上前)のも弾く
+			if (seedDate.getTime() < now.getTime() - 1000 * 60 * 60) {
+				throw new ApiError(meta.errors.invalidSeed);
+			}
+
+			await this.bubbleGameRecordsRepository.insert({
+				id: this.idService.gen(now.getTime()),
+				seed: ps.seed,
+				seededAt: seedDate,
+				userId: me.id,
+				score: ps.score,
+				logs: ps.logs,
+				gameMode: ps.gameMode,
+				gameVersion: ps.gameVersion,
+				isVerified: false,
+			});
+		});
+	}
+}
diff --git a/packages/frontend/src/pages/drop-and-fusion.game.vue b/packages/frontend/src/pages/drop-and-fusion.game.vue
index acaebbadf7..c222fdeb40 100644
--- a/packages/frontend/src/pages/drop-and-fusion.game.vue
+++ b/packages/frontend/src/pages/drop-and-fusion.game.vue
@@ -27,7 +27,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div :class="[$style.frame, $style.frameH]">
 					<div :class="$style.frameInner">
 						<MkButton inline small @click="hold">HOLD</MkButton>
-						<img v-if="holdingStock" :src="game.getTextureImageUrl(holdingStock.mono)" style="width: 32px; margin-left: 8px; vertical-align: bottom;"/>
+						<img v-if="holdingStock" :src="getTextureImageUrl(holdingStock.mono)" style="width: 32px; margin-left: 8px; vertical-align: bottom;"/>
 					</div>
 					<div :class="[$style.frameInner, $style.stock]" style="text-align: center;">
 						<TransitionGroup
@@ -37,7 +37,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 							:leaveToClass="$style.transition_stock_leaveTo"
 							:moveClass="$style.transition_stock_move"
 						>
-							<img v-for="x in stock" :key="x.id" :src="game.getTextureImageUrl(x.mono)" style="width: 32px; vertical-align: bottom;"/>
+							<img v-for="x in stock" :key="x.id" :src="getTextureImageUrl(x.mono)" style="width: 32px; vertical-align: bottom;"/>
 						</TransitionGroup>
 					</div>
 				</div>
@@ -65,7 +65,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						:moveClass="$style.transition_picked_move"
 						mode="out-in"
 					>
-						<img v-if="currentPick" :key="currentPick.id" :src="game.getTextureImageUrl(currentPick.mono)" :class="$style.currentMono" :style="{ marginBottom: -((currentPick?.mono.size * viewScale) / 2) + 'px', left: -((currentPick?.mono.size * viewScale) / 2) + 'px', width: `${currentPick?.mono.size * viewScale}px` }"/>
+						<img v-if="currentPick" :key="currentPick.id" :src="getTextureImageUrl(currentPick.mono)" :class="$style.currentMono" :style="{ marginBottom: -((currentPick?.mono.size * viewScale) / 2) + 'px', left: -((currentPick?.mono.size * viewScale) / 2) + 'px', width: `${currentPick?.mono.size * viewScale}px` }"/>
 					</Transition>
 					<template v-if="dropReady && currentPick">
 						<img src="/client-assets/drop-and-fusion/drop-arrow.svg" :class="$style.currentMonoArrow"/>
@@ -81,14 +81,17 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 				<div v-if="replaying" :class="$style.replayIndicator"><span :class="$style.replayIndicatorText"><i class="ti ti-player-play"></i> {{ i18n.ts.replaying }}</span></div>
 			</div>
-			<div v-if="replaying" style="display: flex;">
-				<div :class="$style.frame" style="flex: 1; margin-right: 10px;">
-					<div :class="$style.frameInner">
-						<div class="_buttonsCenter">
-							<MkButton @click="endReplay"><i class="ti ti-player-stop"></i> END REPLAY</MkButton>
-							<MkButton :primary="replayPlaybackRate === 2" @click="replayPlaybackRate = replayPlaybackRate === 2 ? 1 : 2"><i class="ti ti-player-track-next"></i> x2</MkButton>
-							<MkButton :primary="replayPlaybackRate === 4" @click="replayPlaybackRate = replayPlaybackRate === 4 ? 1 : 4"><i class="ti ti-player-track-next"></i> x4</MkButton>
-						</div>
+			<div v-if="replaying" :class="$style.frame">
+				<div :class="$style.frameInner">
+					<div style="background: #0004;">
+						<div style="height: 10px; background: var(--accent); will-change: width;" :style="{ width: `${(currentFrame / endedAtFrame) * 100}%` }"></div>
+					</div>
+				</div>
+				<div :class="$style.frameInner">
+					<div class="_buttonsCenter">
+						<MkButton @click="endReplay"><i class="ti ti-player-stop"></i> END</MkButton>
+						<MkButton :primary="replayPlaybackRate === 2" @click="replayPlaybackRate = replayPlaybackRate === 2 ? 1 : 2"><i class="ti ti-player-track-next"></i> x2</MkButton>
+						<MkButton :primary="replayPlaybackRate === 4" @click="replayPlaybackRate = replayPlaybackRate === 4 ? 1 : 4"><i class="ti ti-player-track-next"></i> x4</MkButton>
 					</div>
 				</div>
 			</div>
@@ -140,6 +143,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { onDeactivated, onMounted, onUnmounted, ref, shallowRef, watch } from 'vue';
+import * as Matter from 'matter-js';
 import * as Misskey from 'misskey-js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
@@ -385,9 +389,6 @@ const SQUARE_MONOS: Mono[] = [{
 	spriteScale: 1.12,
 }];
 
-const GAME_WIDTH = 450;
-const GAME_HEIGHT = 600;
-
 const props = defineProps<{
 	gameMode: 'normal' | 'square';
 	mute: boolean;
@@ -397,12 +398,23 @@ const emit = defineEmits<{
 	(ev: 'end'): void;
 }>();
 
+const monoDefinitions = props.gameMode === 'normal' ? NORAML_MONOS : SQUARE_MONOS;
+
 let viewScale = 1;
-let game: DropAndFusionGame;
+let seed: string = Date.now().toString();
 let containerElRect: DOMRect | null = null;
-let seed: string;
 let logs: ReturnType<DropAndFusionGame['getLogs']> | null = null;
+let endedAtFrame = 0;
 let bgmNodes: ReturnType<typeof sound.createSourceNode> | null = null;
+let renderer: Matter.Render | null = null;
+let monoTextures: Record<string, Blob> = {};
+let monoTextureUrls: Record<string, string> = {};
+let tickRaf: number | null = null;
+let game = new DropAndFusionGame({
+	seed: seed,
+	monoDefinitions,
+});
+attachGameEvents();
 
 const containerEl = shallowRef<HTMLElement>();
 const canvasEl = shallowRef<HTMLCanvasElement>();
@@ -421,6 +433,7 @@ const highScore = ref<number | null>(null);
 const showConfig = ref(false);
 const replaying = ref(false);
 const replayPlaybackRate = ref(1);
+const currentFrame = ref(0);
 const bgmVolume = ref(defaultStore.state.dropAndFusion.bgmVolume);
 const sfxVolume = ref(defaultStore.state.dropAndFusion.sfxVolume);
 
@@ -434,50 +447,125 @@ watch(bgmVolume, (newValue) => {
 	}
 });
 
-watch(sfxVolume, (newValue) => {
+function createRendererInstance(game: DropAndFusionGame) {
+	return Matter.Render.create({
+		engine: game.engine,
+		canvas: canvasEl.value!,
+		options: {
+			width: game.GAME_WIDTH,
+			height: game.GAME_HEIGHT,
+			background: 'transparent', // transparent to hide
+			wireframeBackground: 'transparent', // transparent to hide
+			wireframes: false,
+			showSleeping: false,
+			pixelRatio: Math.max(2, window.devicePixelRatio),
+		},
+	});
+}
+
+function loadMonoTextures() {
+	async function loadSingleMonoTexture(mono: Mono) {
+		if (renderer == null) return;
+
+		// Matter-js内にキャッシュがある場合はスキップ
+		if (renderer.textures[mono.img]) return;
+
+		let src = mono.img;
+		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+		if (monoTextureUrls[mono.img]) {
+			src = monoTextureUrls[mono.img];
+			// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+		} else if (monoTextures[mono.img]) {
+			src = URL.createObjectURL(monoTextures[mono.img]);
+			monoTextureUrls[mono.img] = src;
+		} else {
+			const res = await fetch(mono.img);
+			const blob = await res.blob();
+			monoTextures[mono.img] = blob;
+			src = URL.createObjectURL(blob);
+			monoTextureUrls[mono.img] = src;
+		}
+
+		const image = new Image();
+		image.src = src;
+		renderer.textures[mono.img] = image;
+	}
+
+	return Promise.all(monoDefinitions.map(x => loadSingleMonoTexture(x)));
+}
+
+function getTextureImageUrl(mono: Mono) {
 	// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-	if (game) {
-		game.setSfxVolume(props.mute ? 0 : newValue);
+	if (monoTextureUrls[mono.img]) {
+		return monoTextureUrls[mono.img];
+
+		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+	} else if (monoTextures[mono.img]) {
+		// Gameクラス内にキャッシュがある場合はそれを使う
+		const out = URL.createObjectURL(monoTextures[mono.img]);
+		monoTextureUrls[mono.img] = out;
+		return out;
+	} else {
+		return mono.img;
 	}
-});
+}
 
-function createGameInstance() {
-	return new DropAndFusionGame({
-		width: GAME_WIDTH,
-		height: GAME_HEIGHT,
-		canvas: canvasEl.value!,
-		seed: seed,
-		sfxVolume: props.mute ? 0 : sfxVolume.value,
-		...(
-			props.gameMode === 'normal' ? {
-				monoDefinitions: NORAML_MONOS,
-			} : {
-				monoDefinitions: SQUARE_MONOS,
+function tick() {
+	const hasNextTick = game.tick();
+	if (hasNextTick) {
+		tickRaf = window.requestAnimationFrame(tick);
+	} else {
+		tickRaf = null;
+	}
+}
+
+function tickReplay() {
+	let hasNextTick;
+	for (let i = 0; i < replayPlaybackRate.value; i++) {
+		const log = logs!.find(x => x.frame === game.frame);
+		if (log) {
+			switch (log.operation) {
+				case 'drop': {
+					game.drop(log.x);
+					break;
+				}
+				case 'hold': {
+					game.hold();
+					break;
+				}
+				case 'surrender': {
+					game.surrender();
+					break;
+				}
+				default:
+					break;
 			}
-		),
-	});
+		}
+
+		hasNextTick = game.tick();
+		currentFrame.value = game.frame;
+		if (!hasNextTick) break;
+	}
+
+	if (hasNextTick) {
+		tickRaf = window.requestAnimationFrame(tickReplay);
+	} else {
+		tickRaf = null;
+	}
 }
 
 async function start() {
-	seed = Date.now().toString();
-
-	game = createGameInstance();
-	attachGameEvents();
-	await game.load();
+	await loadMonoTextures();
+	renderer = createRendererInstance(game);
+	Matter.Render.lookAt(renderer, {
+		min: { x: 0, y: 0 },
+		max: { x: game.GAME_WIDTH, y: game.GAME_HEIGHT },
+	});
+	Matter.Render.run(renderer);
 	game.start();
+	window.requestAnimationFrame(tick);
 
 	gameLoaded.value = true;
-
-	if (bgmNodes == null) {
-		const bgmBuffer = await sound.loadAudio('/client-assets/drop-and-fusion/bgm_1.mp3');
-		if (!bgmBuffer) return;
-		bgmNodes = sound.createSourceNode(bgmBuffer, {
-			volume: props.mute ? 0 : bgmVolume.value,
-		});
-		if (!bgmNodes) return;
-		bgmNodes.soundSource.loop = true;
-		bgmNodes.soundSource.start();
-	}
 }
 
 function onClick(ev: MouseEvent) {
@@ -507,7 +595,7 @@ function onTouchmove(ev: TouchEvent) {
 }
 
 function moveDropper(rect: DOMRect, x: number) {
-	dropperX.value = Math.min(rect.width * ((GAME_WIDTH - game.PLAYAREA_MARGIN) / GAME_WIDTH), Math.max(rect.width * (game.PLAYAREA_MARGIN / GAME_WIDTH), x));
+	dropperX.value = Math.min(rect.width * ((game.GAME_WIDTH - game.PLAYAREA_MARGIN) / game.GAME_WIDTH), Math.max(rect.width * (game.PLAYAREA_MARGIN / game.GAME_WIDTH), x));
 }
 
 function hold() {
@@ -525,11 +613,17 @@ async function surrender() {
 
 async function restart() {
 	reset();
+	game = new DropAndFusionGame({
+		seed: seed,
+		monoDefinitions,
+	});
+	attachGameEvents();
 	await start();
 }
 
 function reset() {
-	game.dispose();
+	dispose();
+	seed = Date.now().toString();
 	isGameOver.value = false;
 	replaying.value = false;
 	replayPlaybackRate.value = 1;
@@ -544,9 +638,12 @@ function reset() {
 	gameLoaded.value = false;
 }
 
-function end() {
+function dispose() {
 	game.dispose();
-	bgmNodes?.soundSource.stop();
+	Matter.Render.stop(renderer);
+	if (tickRaf) {
+		window.cancelAnimationFrame(tickRaf);
+	}
 }
 
 function backToTitle() {
@@ -555,30 +652,134 @@ function backToTitle() {
 
 function replay() {
 	replaying.value = true;
-	game.dispose();
-	game = createGameInstance();
+	dispose();
+	game = new DropAndFusionGame({
+		seed: seed,
+		monoDefinitions,
+		replaying: true,
+	});
 	attachGameEvents();
-	os.promiseDialog(game.load(), async () => {
-		game.start(logs!);
+	os.promiseDialog(loadMonoTextures(), async () => {
+		renderer = createRendererInstance(game);
+		Matter.Render.lookAt(renderer, {
+			min: { x: 0, y: 0 },
+			max: { x: game.GAME_WIDTH, y: game.GAME_HEIGHT },
+		});
+		Matter.Render.run(renderer);
+		game.start();
+		window.requestAnimationFrame(tickReplay);
 	});
 }
 
 function endReplay() {
 	replaying.value = false;
-	game.dispose();
+	dispose();
 }
 
 function exportLog() {
 	if (!logs) return;
 	const data = JSON.stringify({
-		seed: seed,
-		date: new Date().toISOString(),
-		logs: logs,
+		v: game.GAME_VERSION,
+		m: props.gameMode,
+		s: seed,
+		d: new Date().toISOString(),
+		l: DropAndFusionGame.serializeLogs(logs),
 	});
 	copyToClipboard(data);
 	os.success();
 }
 
+function updateSettings<
+	K extends keyof typeof defaultStore.state.dropAndFusion,
+	V extends typeof defaultStore.state.dropAndFusion[K],
+>(key: K, value: V) {
+	const changes: { [P in K]?: V } = {};
+	changes[key] = value;
+	defaultStore.set('dropAndFusion', {
+		...defaultStore.state.dropAndFusion,
+		...changes,
+	});
+}
+
+function loadImage(url: string) {
+	return new Promise<HTMLImageElement>(res => {
+		const img = new Image();
+		img.src = url;
+		img.addEventListener('load', () => {
+			res(img);
+		});
+	});
+}
+
+function getGameImageDriveFile() {
+	return new Promise<Misskey.entities.DriveFile | null>(res => {
+		const dcanvas = document.createElement('canvas');
+		dcanvas.width = game.GAME_WIDTH;
+		dcanvas.height = game.GAME_HEIGHT;
+		const ctx = dcanvas.getContext('2d');
+		if (!ctx || !canvasEl.value) return res(null);
+		Promise.all([
+			loadImage('/client-assets/drop-and-fusion/frame-light.svg'),
+			loadImage('/client-assets/drop-and-fusion/logo.png'),
+		]).then((images) => {
+			const [frame, logo] = images;
+			ctx.fillStyle = '#fff';
+			ctx.fillRect(0, 0, game.GAME_WIDTH, game.GAME_HEIGHT);
+
+			ctx.drawImage(frame, 0, 0, game.GAME_WIDTH, game.GAME_HEIGHT);
+			ctx.drawImage(canvasEl.value!, 0, 0, game.GAME_WIDTH, game.GAME_HEIGHT);
+
+			ctx.fillStyle = '#000';
+			ctx.font = '16px bold sans-serif';
+			ctx.textBaseline = 'top';
+			ctx.fillText(`SCORE: ${score.value.toLocaleString()}`, 10, 10);
+
+			ctx.globalAlpha = 0.7;
+			ctx.drawImage(logo, game.GAME_WIDTH * 0.55, 6, game.GAME_WIDTH * 0.45, game.GAME_WIDTH * 0.45 * (logo.height / logo.width));
+			ctx.globalAlpha = 1;
+
+			dcanvas.toBlob(blob => {
+				if (!blob) return res(null);
+				if ($i == null) return res(null);
+				const formData = new FormData();
+				formData.append('file', blob);
+				formData.append('name', `bubble-game-${Date.now()}.png`);
+				formData.append('isSensitive', 'false');
+				formData.append('comment', 'null');
+				formData.append('i', $i.token);
+				if (defaultStore.state.uploadFolder) {
+					formData.append('folderId', defaultStore.state.uploadFolder);
+				}
+
+				window.fetch(apiUrl + '/drive/files/create', {
+					method: 'POST',
+					body: formData,
+				})
+					.then(response => response.json())
+					.then(f => {
+						res(f);
+					});
+			}, 'image/png');
+
+			dcanvas.remove();
+		});
+	});
+}
+
+async function share() {
+	const uploading = getGameImageDriveFile();
+	os.promiseDialog(uploading);
+	const file = await uploading;
+	if (!file) return;
+	os.post({
+		initialText: `#BubbleGame
+MODE: ${props.gameMode}
+SCORE: ${score.value.toLocaleString()} (MAX CHAIN: ${maxCombo.value})`,
+		initialFiles: [file],
+		instant: true,
+	});
+}
+
 function attachGameEvents() {
 	game.addListener('changeScore', value => {
 		score.value = value;
@@ -601,9 +802,22 @@ function attachGameEvents() {
 
 	game.addListener('changeHolding', value => {
 		holdingStock.value = value;
+
+		sound.playUrl('/client-assets/drop-and-fusion/hold.mp3', {
+			volume: 0.5 * sfxVolume.value,
+		});
 	});
 
-	game.addListener('dropped', () => {
+	game.addListener('dropped', (x) => {
+		const panV = x - game.PLAYAREA_MARGIN;
+		const panW = game.GAME_WIDTH - game.PLAYAREA_MARGIN - game.PLAYAREA_MARGIN;
+		const pan = ((panV / panW) - 0.5) * 2;
+		sound.playUrl('/client-assets/drop-and-fusion/poi2.mp3', {
+			volume: sfxVolume.value,
+			pan,
+			playbackRate: replayPlaybackRate.value,
+		});
+
 		if (replaying.value) return;
 
 		dropReady.value = false;
@@ -639,16 +853,29 @@ function attachGameEvents() {
 	});
 
 	game.addListener('gameOver', () => {
+		sound.playUrl('/client-assets/drop-and-fusion/gameover.mp3', {
+			volume: sfxVolume.value,
+		});
+
 		if (replaying.value) {
 			endReplay();
 			return;
 		}
 
 		logs = game.getLogs();
+		endedAtFrame = game.frame;
 		currentPick.value = null;
 		dropReady.value = false;
 		isGameOver.value = true;
 
+		misskeyApi('bubble-game/register', {
+			seed,
+			score: score.value,
+			gameMode: props.gameMode,
+			gameVersion: game.GAME_VERSION,
+			logs: DropAndFusionGame.serializeLogs(logs),
+		});
+
 		if (score.value > (highScore.value ?? 0)) {
 			highScore.value = score.value;
 
@@ -659,97 +886,28 @@ function attachGameEvents() {
 			});
 		}
 	});
-}
-
-function updateSettings<
-	K extends keyof typeof defaultStore.state.dropAndFusion,
-	V extends typeof defaultStore.state.dropAndFusion[K],
->(key: K, value: V) {
-	const changes: { [P in K]?: V } = {};
-	changes[key] = value;
-	defaultStore.set('dropAndFusion', {
-		...defaultStore.state.dropAndFusion,
-		...changes,
-	});
-}
-
-function loadImage(url: string) {
-	return new Promise<HTMLImageElement>(res => {
-		const img = new Image();
-		img.src = url;
-		img.addEventListener('load', () => {
-			res(img);
-		});
-	});
-}
-
-function getGameImageDriveFile() {
-	return new Promise<Misskey.entities.DriveFile | null>(res => {
-		const dcanvas = document.createElement('canvas');
-		dcanvas.width = GAME_WIDTH;
-		dcanvas.height = GAME_HEIGHT;
-		const ctx = dcanvas.getContext('2d');
-		if (!ctx || !canvasEl.value) return res(null);
-		Promise.all([
-			loadImage('/client-assets/drop-and-fusion/frame-light.svg'),
-			loadImage('/client-assets/drop-and-fusion/logo.png'),
-		]).then((images) => {
-			const [frame, logo] = images;
-			ctx.fillStyle = '#fff';
-			ctx.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
-			ctx.drawImage(frame, 0, 0, GAME_WIDTH, GAME_HEIGHT);
-			ctx.drawImage(canvasEl.value!, 0, 0, GAME_WIDTH, GAME_HEIGHT);
-			ctx.globalAlpha = 0.7;
-			ctx.drawImage(logo, GAME_WIDTH * 0.55, 6, GAME_WIDTH * 0.45, GAME_WIDTH * 0.45 * (logo.height / logo.width));
-			ctx.globalAlpha = 1;
 
-			dcanvas.toBlob(blob => {
-				if (!blob) return res(null);
-				if ($i == null) return res(null);
-				const formData = new FormData();
-				formData.append('file', blob);
-				formData.append('name', `bubble-game-${Date.now()}.png`);
-				formData.append('isSensitive', 'false');
-				formData.append('comment', 'null');
-				formData.append('i', $i.token);
-				if (defaultStore.state.uploadFolder) {
-					formData.append('folderId', defaultStore.state.uploadFolder);
-				}
+	game.addListener('sfx', (type, params) => {
+		if (props.mute) return;
 
-				window.fetch(apiUrl + '/drive/files/create', {
-					method: 'POST',
-					body: formData,
-				})
-					.then(response => response.json())
-					.then(f => {
-						res(f);
-					});
-			}, 'image/png');
+		const soundUrl =
+			type === 'fusion' ? '/client-assets/drop-and-fusion/bubble2.mp3' :
+			type === 'collision' ? '/client-assets/drop-and-fusion/poi1.mp3' :
+			null as never;
 
-			dcanvas.remove();
+		sound.playUrl(soundUrl, {
+			volume: params.volume * sfxVolume.value,
+			pan: params.pan,
+			playbackRate: params.pitch * replayPlaybackRate.value,
 		});
 	});
 }
 
-async function share() {
-	const uploading = getGameImageDriveFile();
-	os.promiseDialog(uploading);
-	const file = await uploading;
-	if (!file) return;
-	os.post({
-		initialText: `#BubbleGame
-MODE: ${props.gameMode}
-SCORE: ${score.value} (MAX CHAIN: ${maxCombo.value})`,
-		initialFiles: [file],
-		instant: true,
-	});
-}
-
 useInterval(() => {
 	if (!canvasEl.value) return;
 	const actualCanvasWidth = canvasEl.value.getBoundingClientRect().width;
 	if (actualCanvasWidth === 0) return;
-	viewScale = actualCanvasWidth / GAME_WIDTH;
+	viewScale = actualCanvasWidth / game.GAME_WIDTH;
 	containerElRect = containerEl.value?.getBoundingClientRect() ?? null;
 }, 1000, { immediate: false, afterMounted: true });
 
@@ -763,15 +921,26 @@ onMounted(async () => {
 		highScore.value = null;
 	}
 
-	start();
+	await start();
+
+	const bgmBuffer = await sound.loadAudio('/client-assets/drop-and-fusion/bgm_1.mp3');
+	if (!bgmBuffer) return;
+	bgmNodes = sound.createSourceNode(bgmBuffer, {
+		volume: props.mute ? 0 : bgmVolume.value,
+	});
+	if (!bgmNodes) return;
+	bgmNodes.soundSource.loop = true;
+	bgmNodes.soundSource.start();
 });
 
 onUnmounted(() => {
-	end();
+	dispose();
+	bgmNodes?.soundSource.stop();
 });
 
 onDeactivated(() => {
-	end();
+	dispose();
+	bgmNodes?.soundSource.stop();
 });
 
 definePageMetadata({
diff --git a/packages/frontend/src/pages/drop-and-fusion.vue b/packages/frontend/src/pages/drop-and-fusion.vue
index 7bd0eef000..0938ca6a87 100644
--- a/packages/frontend/src/pages/drop-and-fusion.vue
+++ b/packages/frontend/src/pages/drop-and-fusion.vue
@@ -40,6 +40,21 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</div>
 				</div>
 				<div :class="$style.frame">
+					<div :class="$style.frameInner">
+						<div class="_gaps_s" style="padding: 16px;">
+							<div><b>{{ i18n.ts.ranking }}</b> ({{ gameMode }})</div>
+							<div v-if="ranking" class="_gaps_s">
+								<div v-for="r in ranking" :key="r.id" :class="$style.rankingRecord">
+									<MkAvatar :link="true" style="width: 24px; height: 24px; margin-right: 4px;" :user="r.user"/>
+									<MkUserName :user="r.user" :nowrap="true"/>
+									<b style="margin-left: auto;">{{ r.score.toLocaleString() }} pt</b>
+								</div>
+							</div>
+							<div v-else>{{ i18n.ts.loading }}</div>
+						</div>
+					</div>
+				</div>
+				<div :class="$style.frame">
 					<div :class="$style.frameInner" style="padding: 16px;">
 						<div style="font-weight: bold;">{{ i18n.ts._bubbleGame.howToPlay }}</div>
 						<ol>
@@ -70,17 +85,23 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { ref } from 'vue';
+import { ref, watch } from 'vue';
 import XGame from './drop-and-fusion.game.vue';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 import MkButton from '@/components/MkButton.vue';
 import { i18n } from '@/i18n.js';
 import MkSelect from '@/components/MkSelect.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
+import { misskeyApiGet } from '@/scripts/misskey-api.js';
 
 const gameMode = ref<'normal' | 'square'>('normal');
 const gameStarted = ref(false);
 const mute = ref(false);
+const ranking = ref(null);
+
+watch(gameMode, async () => {
+	ranking.value = await misskeyApiGet('bubble-game/ranking', { gameMode: gameMode.value });
+}, { immediate: true });
 
 async function start() {
 	gameStarted.value = true;
@@ -149,4 +170,13 @@ definePageMetadata({
 	border-top: 1px solid #693410;
 	border-bottom: 1px solid #ce8a5c;
 }
+
+.rankingRecord {
+	display: flex;
+	line-height: 24px;
+	padding-top: 4px;
+	white-space: nowrap;
+	overflow: visible;
+	text-overflow: ellipsis;
+}
 </style>
diff --git a/packages/frontend/src/scripts/drop-and-fusion-engine.ts b/packages/frontend/src/scripts/drop-and-fusion-engine.ts
index d64c6015a5..41af9cb7a4 100644
--- a/packages/frontend/src/scripts/drop-and-fusion-engine.ts
+++ b/packages/frontend/src/scripts/drop-and-fusion-engine.ts
@@ -6,7 +6,6 @@
 import { EventEmitter } from 'eventemitter3';
 import * as Matter from 'matter-js';
 import seedrandom from 'seedrandom';
-import * as sound from '@/scripts/sound.js';
 
 export type Mono = {
 	id: string;
@@ -33,47 +32,48 @@ type Log = {
 	operation: 'surrender';
 };
 
-// TODO: インスタンスを作り直さなくてもゲームをリスタートできるようにする
 export class DropAndFusionGame extends EventEmitter<{
 	changeScore: (newScore: number) => void;
 	changeCombo: (newCombo: number) => void;
 	changeStock: (newStock: { id: string; mono: Mono }[]) => void;
 	changeHolding: (newHolding: { id: string; mono: Mono } | null) => void;
-	dropped: () => void;
+	dropped: (x: number) => void;
 	fusioned: (x: number, y: number, scoreDelta: number) => void;
 	monoAdded: (mono: Mono) => void;
 	gameOver: () => void;
+	sfx(type: string, params: { volume: number; pan: number; pitch: number; }): void;
 }> {
 	private PHYSICS_QUALITY_FACTOR = 16; // 低いほどパフォーマンスが高いがガタガタして安定しなくなる、逆に高すぎても何故か不安定になる
 	private COMBO_INTERVAL = 60; // frame
+	public readonly GAME_VERSION = 1;
+	public readonly GAME_WIDTH = 450;
+	public readonly GAME_HEIGHT = 600;
 	public readonly DROP_INTERVAL = 500;
 	public readonly PLAYAREA_MARGIN = 25;
 	private STOCK_MAX = 4;
 	private TICK_DELTA = 1000 / 60; // 60fps
-	private loaded = false;
-	private frame = 0;
-	private engine: Matter.Engine;
-	private render: Matter.Render;
-	private tickRaf: ReturnType<typeof requestAnimationFrame> | null = null;
+
+	public frame = 0;
+	public engine: Matter.Engine;
 	private tickCallbackQueue: { frame: number; callback: () => void; }[] = [];
 	private overflowCollider: Matter.Body;
 	private isGameOver = false;
-	private gameWidth: number;
-	private gameHeight: number;
 	private monoDefinitions: Mono[] = [];
-	private monoTextures: Record<string, Blob> = {};
-	private monoTextureUrls: Record<string, string> = {};
 	private rng: () => number;
 	private logs: Log[] = [];
 	private replaying = false;
 
-	private sfxVolume = 1;
-
 	/**
 	 * フィールドに出ていて、かつ合体の対象となるアイテム
 	 */
 	private activeBodyIds: Matter.Body['id'][] = [];
 
+	/**
+	 * fusion予約アイテムのペア
+	 * TODO: これらのモノは光らせるなどの演出をすると視覚的に楽しそう
+	 */
+	private fusionReservedPairs: { bodyA: Matter.Body; bodyB: Matter.Body }[] = [];
+
 	private latestDroppedBodyId: Matter.Body['id'] | null = null;
 
 	private latestDroppedAt = 0;
@@ -99,30 +99,16 @@ export class DropAndFusionGame extends EventEmitter<{
 		this.emit('changeScore', value);
 	}
 
-	private comboIntervalId: number | null = null;
-
 	public replayPlaybackRate = 1;
 
-	constructor(opts: {
-		canvas: HTMLCanvasElement;
-		width: number;
-		height: number;
-		monoDefinitions: Mono[];
-		seed: string;
-		sfxVolume?: number;
-	}) {
+	constructor(env: { monoDefinitions: Mono[]; seed: string; replaying?: boolean }) {
 		super();
 
-		this.tick = this.tick.bind(this);
-
-		this.gameWidth = opts.width;
-		this.gameHeight = opts.height;
-		this.monoDefinitions = opts.monoDefinitions;
-		this.rng = seedrandom(opts.seed);
+		this.replaying = !!env.replaying;
+		this.monoDefinitions = env.monoDefinitions;
+		this.rng = seedrandom(env.seed);
 
-		if (opts.sfxVolume) {
-			this.sfxVolume = opts.sfxVolume;
-		}
+		this.tick = this.tick.bind(this);
 
 		this.engine = Matter.Engine.create({
 			constraintIterations: 2 * this.PHYSICS_QUALITY_FACTOR,
@@ -138,22 +124,6 @@ export class DropAndFusionGame extends EventEmitter<{
 			enableSleeping: false,
 		});
 
-		this.render = Matter.Render.create({
-			engine: this.engine,
-			canvas: opts.canvas,
-			options: {
-				width: this.gameWidth,
-				height: this.gameHeight,
-				background: 'transparent', // transparent to hide
-				wireframeBackground: 'transparent', // transparent to hide
-				wireframes: false,
-				showSleeping: false,
-				pixelRatio: Math.max(2, window.devicePixelRatio),
-			},
-		});
-
-		Matter.Render.run(this.render);
-
 		this.engine.world.bodies = [];
 
 		//#region walls
@@ -170,13 +140,13 @@ export class DropAndFusionGame extends EventEmitter<{
 
 		const thickness = 100;
 		Matter.Composite.add(this.engine.world, [
-			Matter.Bodies.rectangle(this.gameWidth / 2, this.gameHeight + (thickness / 2) - this.PLAYAREA_MARGIN, this.gameWidth, thickness, WALL_OPTIONS),
-			Matter.Bodies.rectangle(this.gameWidth + (thickness / 2) - this.PLAYAREA_MARGIN, this.gameHeight / 2, thickness, this.gameHeight, WALL_OPTIONS),
-			Matter.Bodies.rectangle(-((thickness / 2) - this.PLAYAREA_MARGIN), this.gameHeight / 2, thickness, this.gameHeight, WALL_OPTIONS),
+			Matter.Bodies.rectangle(this.GAME_WIDTH / 2, this.GAME_HEIGHT + (thickness / 2) - this.PLAYAREA_MARGIN, this.GAME_WIDTH, thickness, WALL_OPTIONS),
+			Matter.Bodies.rectangle(this.GAME_WIDTH + (thickness / 2) - this.PLAYAREA_MARGIN, this.GAME_HEIGHT / 2, thickness, this.GAME_HEIGHT, WALL_OPTIONS),
+			Matter.Bodies.rectangle(-((thickness / 2) - this.PLAYAREA_MARGIN), this.GAME_HEIGHT / 2, thickness, this.GAME_HEIGHT, WALL_OPTIONS),
 		]);
 		//#endregion
 
-		this.overflowCollider = Matter.Bodies.rectangle(this.gameWidth / 2, 0, this.gameWidth, 200, {
+		this.overflowCollider = Matter.Bodies.rectangle(this.GAME_WIDTH / 2, 0, this.GAME_WIDTH, 200, {
 			isStatic: true,
 			isSensor: true,
 			render: {
@@ -185,12 +155,10 @@ export class DropAndFusionGame extends EventEmitter<{
 			},
 		});
 		Matter.Composite.add(this.engine.world, this.overflowCollider);
+	}
 
-		// fit the render viewport to the scene
-		Matter.Render.lookAt(this.render, {
-			min: { x: 0, y: 0 },
-			max: { x: this.gameWidth, y: this.gameHeight },
-		});
+	private msToFrame(ms: number) {
+		return Math.round(ms / this.TICK_DELTA);
 	}
 
 	private createBody(mono: Mono, x: number, y: number) {
@@ -246,7 +214,7 @@ export class DropAndFusionGame extends EventEmitter<{
 
 			// 連鎖してfusionした場合の分かりやすさのため少し間を置いてからfusion対象になるようにする
 			this.tickCallbackQueue.push({
-				frame: this.frame + 6,
+				frame: this.frame + this.msToFrame(100),
 				callback: () => {
 					this.activeBodyIds.push(body.id);
 				},
@@ -256,29 +224,69 @@ export class DropAndFusionGame extends EventEmitter<{
 			const additionalScore = Math.round(currentMono.score * comboBonus);
 			this.score += additionalScore;
 
-			// TODO: 効果音再生はコンポーネント側の責務なので移動するべき？
-			const panV = newX - this.PLAYAREA_MARGIN;
-			const panW = this.gameWidth - this.PLAYAREA_MARGIN - this.PLAYAREA_MARGIN;
-			const pan = ((panV / panW) - 0.5) * 2;
-			sound.playUrl('/client-assets/drop-and-fusion/bubble2.mp3', {
-				volume: this.sfxVolume,
-				pan,
-				playbackRate: nextMono.sfxPitch * this.replayPlaybackRate,
-			});
-
 			this.emit('monoAdded', nextMono);
 			this.emit('fusioned', newX, newY, additionalScore);
+
+			const panV = newX - this.PLAYAREA_MARGIN;
+			const panW = this.GAME_WIDTH - this.PLAYAREA_MARGIN - this.PLAYAREA_MARGIN;
+			const pan = ((panV / panW) - 0.5) * 2;
+			this.emit('sfx', 'fusion', { volume: 1, pan, pitch: nextMono.sfxPitch });
 		} else {
-			//const VELOCITY = 30;
-			//for (let i = 0; i < 10; i++) {
-			//	const body = createBody(FRUITS.find(x => x.level === (1 + Math.floor(this.rng() * 3)))!, x + ((this.rng() * VELOCITY) - (VELOCITY / 2)), y + ((this.rng() * VELOCITY) - (VELOCITY / 2)));
-			//	Matter.Composite.add(world, body);
-			//	bodies.push(body);
-			//}
-			//sound.playUrl({
-			//	type: 'syuilo/bubble2',
-			//	volume: this.sfxVolume,
-			//});
+			// nop
+		}
+	}
+
+	private onCollision(event: Matter.IEventCollision<Matter.Engine>) {
+		const minCollisionEnergyForSound = 2.5;
+		const maxCollisionEnergyForSound = 9;
+		const soundPitchMax = 4;
+		const soundPitchMin = 0.5;
+
+		for (const pairs of event.pairs) {
+			const { bodyA, bodyB } = pairs;
+
+			if (bodyA.id === this.overflowCollider.id || bodyB.id === this.overflowCollider.id) {
+				if (bodyA.id === this.latestDroppedBodyId || bodyB.id === this.latestDroppedBodyId) {
+					continue;
+				}
+				this.gameOver();
+				break;
+			}
+
+			const shouldFusion = (bodyA.label === bodyB.label) &&
+				!this.fusionReservedPairs.some(x =>
+					x.bodyA.id === bodyA.id ||
+					x.bodyA.id === bodyB.id ||
+					x.bodyB.id === bodyA.id ||
+					x.bodyB.id === bodyB.id);
+
+			if (shouldFusion) {
+				if (this.activeBodyIds.includes(bodyA.id) && this.activeBodyIds.includes(bodyB.id)) {
+					this.fusion(bodyA, bodyB);
+				} else {
+					this.fusionReservedPairs.push({ bodyA, bodyB });
+					this.tickCallbackQueue.push({
+						frame: this.frame + this.msToFrame(100),
+						callback: () => {
+							this.fusionReservedPairs = this.fusionReservedPairs.filter(x => x.bodyA.id !== bodyA.id && x.bodyB.id !== bodyB.id);
+							this.fusion(bodyA, bodyB);
+						},
+					});
+				}
+			} else {
+				const energy = pairs.collision.depth;
+				if (energy > minCollisionEnergyForSound) {
+					const volume = (Math.min(maxCollisionEnergyForSound, energy - minCollisionEnergyForSound) / maxCollisionEnergyForSound) / 4;
+					const panV =
+						pairs.bodyA.label === '_wall_' ? bodyB.position.x - this.PLAYAREA_MARGIN :
+						pairs.bodyB.label === '_wall_' ? bodyA.position.x - this.PLAYAREA_MARGIN :
+						((bodyA.position.x + bodyB.position.x) / 2) - this.PLAYAREA_MARGIN;
+					const panW = this.GAME_WIDTH - this.PLAYAREA_MARGIN - this.PLAYAREA_MARGIN;
+					const pan = ((panV / panW) - 0.5) * 2;
+					const pitch = soundPitchMin + ((soundPitchMax - soundPitchMin) * (1 - (Math.min(10, energy) / 10)));
+					this.emit('sfx', 'collision', { volume, pan, pitch });
+				}
+			}
 		}
 	}
 
@@ -293,50 +301,10 @@ export class DropAndFusionGame extends EventEmitter<{
 
 	private gameOver() {
 		this.isGameOver = true;
-		if (this.tickRaf) window.cancelAnimationFrame(this.tickRaf);
-		this.tickRaf = null;
 		this.emit('gameOver');
-
-		// TODO: 効果音再生はコンポーネント側の責務なので移動するべき？
-		sound.playUrl('/client-assets/drop-and-fusion/gameover.mp3', {
-			volume: this.sfxVolume,
-		});
-	}
-
-	/** テクスチャをすべてキャッシュする */
-	private async loadMonoTextures() {
-		async function loadSingleMonoTexture(mono: Mono, game: DropAndFusionGame) {
-			// Matter-js内にキャッシュがある場合はスキップ
-			if (game.render.textures[mono.img]) return;
-
-			let src = mono.img;
-			// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-			if (game.monoTextureUrls[mono.img]) {
-				src = game.monoTextureUrls[mono.img];
-			// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-			} else if (game.monoTextures[mono.img]) {
-				src = URL.createObjectURL(game.monoTextures[mono.img]);
-				game.monoTextureUrls[mono.img] = src;
-			} else {
-				const res = await fetch(mono.img);
-				const blob = await res.blob();
-				game.monoTextures[mono.img] = blob;
-				src = URL.createObjectURL(blob);
-				game.monoTextureUrls[mono.img] = src;
-			}
-
-			const image = new Image();
-			image.src = src;
-			game.render.textures[mono.img] = image;
-		}
-
-		return Promise.all(this.monoDefinitions.map(x => loadSingleMonoTexture(x, this)));
 	}
 
-	public start(logs?: Log[]) {
-		if (!this.loaded) throw new Error('game is not loaded yet');
-		if (logs) this.replaying = true;
-
+	public start() {
 		for (let i = 0; i < this.STOCK_MAX; i++) {
 			this.stock.push({
 				id: this.rng().toString(),
@@ -345,118 +313,20 @@ export class DropAndFusionGame extends EventEmitter<{
 		}
 		this.emit('changeStock', this.stock);
 
-		// TODO: fusion予約状態のアイテムは光らせるなどの演出をすると楽しそう
-		let fusionReservedPairs: { bodyA: Matter.Body; bodyB: Matter.Body }[] = [];
-
-		const minCollisionEnergyForSound = 2.5;
-		const maxCollisionEnergyForSound = 9;
-		const soundPitchMax = 4;
-		const soundPitchMin = 0.5;
-
-		Matter.Events.on(this.engine, 'collisionStart', (event) => {
-			for (const pairs of event.pairs) {
-				const { bodyA, bodyB } = pairs;
-				if (bodyA.id === this.overflowCollider.id || bodyB.id === this.overflowCollider.id) {
-					if (bodyA.id === this.latestDroppedBodyId || bodyB.id === this.latestDroppedBodyId) {
-						continue;
-					}
-					this.gameOver();
-					break;
-				}
-				const shouldFusion = (bodyA.label === bodyB.label) && !fusionReservedPairs.some(x => x.bodyA.id === bodyA.id || x.bodyA.id === bodyB.id || x.bodyB.id === bodyA.id || x.bodyB.id === bodyB.id);
-				if (shouldFusion) {
-					if (this.activeBodyIds.includes(bodyA.id) && this.activeBodyIds.includes(bodyB.id)) {
-						this.fusion(bodyA, bodyB);
-					} else {
-						fusionReservedPairs.push({ bodyA, bodyB });
-						this.tickCallbackQueue.push({
-							frame: this.frame + 6,
-							callback: () => {
-								fusionReservedPairs = fusionReservedPairs.filter(x => x.bodyA.id !== bodyA.id && x.bodyB.id !== bodyB.id);
-								this.fusion(bodyA, bodyB);
-							},
-						});
-					}
-				} else {
-					const energy = pairs.collision.depth;
-					if (energy > minCollisionEnergyForSound) {
-						// TODO: 効果音再生はコンポーネント側の責務なので移動するべき？
-						const vol = ((Math.min(maxCollisionEnergyForSound, energy - minCollisionEnergyForSound) / maxCollisionEnergyForSound) / 4) * this.sfxVolume;
-						const panV =
-							pairs.bodyA.label === '_wall_' ? bodyB.position.x - this.PLAYAREA_MARGIN :
-							pairs.bodyB.label === '_wall_' ? bodyA.position.x - this.PLAYAREA_MARGIN :
-							((bodyA.position.x + bodyB.position.x) / 2) - this.PLAYAREA_MARGIN;
-						const panW = this.gameWidth - this.PLAYAREA_MARGIN - this.PLAYAREA_MARGIN;
-						const pan = ((panV / panW) - 0.5) * 2;
-						const pitch = soundPitchMin + ((soundPitchMax - soundPitchMin) * (1 - (Math.min(10, energy) / 10)));
-						sound.playUrl('/client-assets/drop-and-fusion/poi1.mp3', {
-							volume: vol,
-							pan,
-							playbackRate: pitch * this.replayPlaybackRate,
-						});
-					}
-				}
-			}
-		});
-
-		if (logs) {
-			const playTick = () => {
-				for (let i = 0; i < this.replayPlaybackRate; i++) {
-					this.frame++;
-					if (this.latestFusionedAt < this.frame - this.COMBO_INTERVAL) {
-						this.combo = 0;
-					}
-					const log = logs.find(x => x.frame === this.frame - 1);
-					if (log) {
-						switch (log.operation) {
-							case 'drop': {
-								this.drop(log.x);
-								break;
-							}
-							case 'hold': {
-								this.hold();
-								break;
-							}
-							case 'surrender': {
-								this.surrender();
-								break;
-							}
-							default:
-								break;
-						}
-					}
-					this.tickCallbackQueue = this.tickCallbackQueue.filter(x => {
-						if (x.frame === this.frame) {
-							x.callback();
-							return false;
-						} else {
-							return true;
-						}
-					});
-
-					Matter.Engine.update(this.engine, this.TICK_DELTA);
-				}
-
-				if (!this.isGameOver) {
-					this.tickRaf = window.requestAnimationFrame(playTick);
-				}
-			};
-
-			playTick();
-		} else {
-			this.tick();
-		}
+		Matter.Events.on(this.engine, 'collisionStart', this.onCollision.bind(this));
 	}
 
 	public getLogs() {
 		return this.logs;
 	}
 
-	private tick() {
+	public tick() {
 		this.frame++;
+
 		if (this.latestFusionedAt < this.frame - this.COMBO_INTERVAL) {
 			this.combo = 0;
 		}
+
 		this.tickCallbackQueue = this.tickCallbackQueue.filter(x => {
 			if (x.frame === this.frame) {
 				x.callback();
@@ -465,35 +335,12 @@ export class DropAndFusionGame extends EventEmitter<{
 				return true;
 			}
 		});
+
 		Matter.Engine.update(this.engine, this.TICK_DELTA);
-		if (!this.isGameOver) {
-			this.tickRaf = window.requestAnimationFrame(this.tick);
-		}
-	}
 
-	public async load() {
-		await this.loadMonoTextures();
-		this.loaded = true;
-	}
+		const hasNextTick = !this.isGameOver;
 
-	public setSfxVolume(volume: number) {
-		this.sfxVolume = volume;
-	}
-
-	public getTextureImageUrl(mono: Mono) {
-		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-		if (this.monoTextureUrls[mono.img]) {
-			return this.monoTextureUrls[mono.img];
-
-		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-		} else if (this.monoTextures[mono.img]) {
-			// Gameクラス内にキャッシュがある場合はそれを使う
-			const out = URL.createObjectURL(this.monoTextures[mono.img]);
-			this.monoTextureUrls[mono.img] = out;
-			return out;
-		} else {
-			return mono.img;
-		}
+		return hasNextTick;
 	}
 
 	public getActiveMonos() {
@@ -502,6 +349,7 @@ export class DropAndFusionGame extends EventEmitter<{
 
 	public drop(_x: number) {
 		if (this.isGameOver) return;
+		// TODO: フレームで計算するようにすればリプレイかどうかのチェックは不要になる
 		if (!this.replaying && (Date.now() - this.latestDroppedAt < this.DROP_INTERVAL)) return;
 
 		const head = this.stock.shift()!;
@@ -512,7 +360,7 @@ export class DropAndFusionGame extends EventEmitter<{
 		this.emit('changeStock', this.stock);
 
 		const inputX = Math.round(_x);
-		const x = Math.min(this.gameWidth - this.PLAYAREA_MARGIN - (head.mono.size / 2), Math.max(this.PLAYAREA_MARGIN + (head.mono.size / 2), inputX));
+		const x = Math.min(this.GAME_WIDTH - this.PLAYAREA_MARGIN - (head.mono.size / 2), Math.max(this.PLAYAREA_MARGIN + (head.mono.size / 2), inputX));
 		const body = this.createBody(head.mono, x, 50 + head.mono.size / 2);
 		this.logs.push({
 			frame: this.frame,
@@ -523,18 +371,8 @@ export class DropAndFusionGame extends EventEmitter<{
 		this.activeBodyIds.push(body.id);
 		this.latestDroppedBodyId = body.id;
 		this.latestDroppedAt = Date.now();
-		this.emit('dropped');
+		this.emit('dropped', x);
 		this.emit('monoAdded', head.mono);
-
-		// TODO: 効果音再生はコンポーネント側の責務なので移動するべき？
-		const panV = x - this.PLAYAREA_MARGIN;
-		const panW = this.gameWidth - this.PLAYAREA_MARGIN - this.PLAYAREA_MARGIN;
-		const pan = ((panV / panW) - 0.5) * 2;
-		sound.playUrl('/client-assets/drop-and-fusion/poi2.mp3', {
-			volume: this.sfxVolume,
-			pan,
-			playbackRate: this.replayPlaybackRate,
-		});
 	}
 
 	public hold() {
@@ -561,17 +399,69 @@ export class DropAndFusionGame extends EventEmitter<{
 			this.emit('changeHolding', this.holding);
 			this.emit('changeStock', this.stock);
 		}
+	}
 
-		sound.playUrl('/client-assets/drop-and-fusion/hold.mp3', {
-			volume: 0.5 * this.sfxVolume,
-		});
+	public static serializeLogs(logs: Log[]) {
+		const _logs: number[][] = [];
+
+		for (let i = 0; i < logs.length; i++) {
+			const log = logs[i];
+			const frameDelta = i === 0 ? log.frame : log.frame - logs[i - 1].frame;
+
+			switch (log.operation) {
+				case 'drop':
+					_logs.push([frameDelta, 0, log.x]);
+					break;
+				case 'hold':
+					_logs.push([frameDelta, 1]);
+					break;
+				case 'surrender':
+					_logs.push([frameDelta, 2]);
+					break;
+			}
+		}
+
+		return _logs;
+	}
+
+	public static deserializeLogs(logs: number[][]) {
+		const _logs: Log[] = [];
+
+		let frame = 0;
+
+		for (const log of logs) {
+			const frameDelta = log[0];
+			frame += frameDelta;
+
+			const operation = log[1];
+
+			switch (operation) {
+				case 0:
+					_logs.push({
+						frame,
+						operation: 'drop',
+						x: log[2],
+					});
+					break;
+				case 1:
+					_logs.push({
+						frame,
+						operation: 'hold',
+					});
+					break;
+				case 2:
+					_logs.push({
+						frame,
+						operation: 'surrender',
+					});
+					break;
+			}
+		}
+
+		return _logs;
 	}
 
 	public dispose() {
-		if (this.comboIntervalId) window.clearInterval(this.comboIntervalId);
-		if (this.tickRaf) window.cancelAnimationFrame(this.tickRaf);
-		this.tickRaf = null;
-		Matter.Render.stop(this.render);
 		Matter.World.clear(this.engine.world, false);
 		Matter.Engine.clear(this.engine);
 	}
diff --git a/packages/frontend/src/scripts/sound.ts b/packages/frontend/src/scripts/sound.ts
index 05c8977ecf..9c74a8b870 100644
--- a/packages/frontend/src/scripts/sound.ts
+++ b/packages/frontend/src/scripts/sound.ts
@@ -92,7 +92,6 @@ export type OperationType = typeof operationTypes[number];
  * @param options `useCache`: デフォルトは`true` 一度再生した音声はキャッシュする
  */
 export async function loadAudio(url: string, options?: { useCache?: boolean; }) {
-	if (_DEV_) console.log('loading audio. opts:', options);
 	// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
 	if (ctx == null) {
 		ctx = new AudioContext();