# Return to Shironagasu Island

Summer DB entity ID: b3949c97\-3ff6\-4411\-bc59\-d38b73221cfd

Steam App ID: 1156990

I'm going back to the sinister Shironagasu Island\.\.\.   A mystery adventure game and visual novel set on solitary Shironagasu Island\. Explore the island and discover its sinister secrets as detective Sen Ikeda and your assistant Neneko Izumozaki\.       Sen Ikeda, a detective in New York, receives a mysterious invitation to Shironagasu Island in the testament of a millionaire\. Together with Neneko Izumozaki, a girl with special abilities, he travels to the secluded island\. Solve numerous mysteries and murders\! Meet enigmatic and captivating characters\! Discover the hidden secret of Shironagasu Island\! Stay alive and escape from the ominous island\!

## Game information

- Type: game

- Developer:  ONIMUSHI Hyogo

- Publisher: TABINOMICHI

- Release date: Mar 2, 2020

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Adventure

- Categories: Single\-player, Steam Achievements, Steam Trading Cards, Steam Cloud, Family Sharing

- Platforms: windows, mac

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1156990/ss\_b1e962c0f599ab293000d9203ec7b705da7e0e95\.1920x1080\.jpg?t=1787142487, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1156990/ss\_792a8a62f195fdeb959778d5a33215d69f643859\.1920x1080\.jpg?t=1787142487, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1156990/ss\_f8d81936ae85d4f0ce2f79e55823b56e56c68a4c\.1920x1080\.jpg?t=1787142487, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1156990/ss\_db93198eb474ebba7fadd6557822757b4674cb36\.1920x1080\.jpg?t=1787142487, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1156990/ss\_f03e46f85344099b92e5aa2a0825b344fd78e360\.1920x1080\.jpg?t=1787142487

- Price: 499 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 36

- Steam review count: 4283

- Steam positive reviews: 4007

- Steam negative reviews: 276

- Steam positive percentage: 93.55591874854075%

- 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/b3949c97-3ff6-4411-bc59-d38b73221cfd/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/b3949c97-3ff6-4411-bc59-d38b73221cfd/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\-24T12:31:29\.1762\+00:00

- Player count observed: 2026\-09\-24T12:31:30\.85745\+00:00

- Reviews observed: 2026\-09\-24T12:31:30\.564796\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1156990/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1156990/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=1156990","reviews":"https://store\.steampowered\.com/appreviews/1156990"\},"price":"2026\-09\-24T12:31:29\.1762\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T12:31:29\.1762\+00:00","players":"2026\-09\-24T12:31:30\.85745\+00:00","reviews":"2026\-09\-24T12:31:30\.564796\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"fea6680f\-a23c\-4140\-8ea8\-da025a0b3e2a","catalog":"c5c80735\-f495\-4481\-a730\-86119f3388ba","details":"ad34b308\-a07c\-4007\-ad83\-49f867ea12b9","players":"bb62ae7f\-531f\-4fdb\-8994\-621238bfe18c","reviews":"8d59d0c6\-0b84\-480d\-b7a3\-63f91264fcac"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"b3949c97\-3ff6\-4411\-bc59\-d38b73221cfd","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/1156990/) · [JSON](/api/v1/games/b3949c97-3ff6-4411-bc59-d38b73221cfd)