# Groove Coaster \- And Then There Were None

Summer DB entity ID: 51f523b9\-2e6f\-4f15\-99c8\-8847c6e76ad9

Steam App ID: 808939

Touhou Project music DLC for Groove Coaster  Title:  And Then There Were None  Artist:  Yuya Kobayashi\(IOSYS\)  x Annyyy\(TaNaBaTa\) \*Arrange from Touhou Koumakyou  Difficulty:  Simple 1 / Normal 6 / Hard 8  BPM:  145

## Game information

- Type: dlc

- Developer: TAITO CORP\.

- Publisher: KOMODO

- Release date: Oct 30, 2018

- Coming soon: false

- Free to play: false

- Parent Steam app: 744060

- Genres: Action

- Categories: Single\-player, Downloadable Content, Steam Achievements, Full controller support, Steam Leaderboards, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/808939/ss\_0a8eee880dc3b812c4d085f68a25d34d5841b700\.1920x1080\.jpg?t=1681239735

- Price: 199 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 1

- Steam positive reviews: 1

- Steam negative reviews: 0

- Steam positive percentage: 100%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/51f523b9-2e6f-4f15-99c8-8847c6e76ad9/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/51f523b9-2e6f-4f15-99c8-8847c6e76ad9/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-23T10:17:18\.499193\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-23T10:17:20\.543938\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/808939/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/808939/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/808939"\},"price":"2026\-09\-23T10:17:18\.499193\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T10:17:18\.499193\+00:00","players":null,"reviews":"2026\-09\-23T10:17:20\.543938\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"a448763b\-606e\-4e4c\-9b63\-55a39b38e871","catalog":"69700a8d\-b5be\-48f0\-9162\-5fb3a38b640f","details":"ec74ab30\-49bf\-4a75\-baf2\-669f75efe570","players":null,"reviews":"a9865dc0\-5c8a\-4131\-a6b4\-66a142a8780e"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"51f523b9\-2e6f\-4f15\-99c8\-8847c6e76ad9","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/808939/) · [JSON](/api/v1/games/51f523b9-2e6f-4f15-99c8-8847c6e76ad9)