# Rocket of Whispers: Prologue

Summer DB entity ID: 7778cdda\-b092\-4620\-9808\-273cc55be912

Steam App ID: 910460

check Our New Game\!     About the Game Rocket of Whispers: Prologue is a short narrative game with a very short playtime\.   It takes place before the main game, OPUS: Rocket of Whispers, and tells the story of Fei Lin’s first waking moments\. Story  “Fei\.\.\. Have you awakened?”  When I awoke, I was all alone\. The familiar scenery around me, were in ruins\.  In a chilling cellar below the apocalyptic snow, Fei Lin the witch wakes up from hibernation, and ventures into the forsaken world\. Guide her through the process of escaping the cellar, and seeing the changed world for her first time\.  “If you awaken to a world in ruin, please\.\.\. return us\.\.\.” \- Church Elder  With an important mission and the hopes of the people resting on her shoulders, Fei Lin takes her first steps into a lonely, empty world that has been forgotten by time itself\. Game Features    Explore Fei Lin’s origin    Escape the cellar\!    A hauntingly beautiful world    An audiovisual marvel   ==========================================  ※ This is a free mini companion piece for OPUS: Rocket of Whispers, created for our fans\.

## Game information

- Type: game

- Developer: SIGONO INC\.

- Publisher: SIGONO INC\.

- Release date: Sep 12, 2018

- Coming soon: false

- Free to play: true

- Parent Steam app: Not collected

- Genres: Adventure, Indie

- Categories: Single\-player, Family Sharing

- Platforms: windows, mac

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/910460/ss\_1f0585fe0359d9859804fe7b32efdd7487aa39c4\.1920x1080\.jpg?t=1633005046, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/910460/ss\_5f4d983fcf07b566af8e831ee9ce5413e6506864\.1920x1080\.jpg?t=1633005046, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/910460/ss\_a483d1a3d8ad4432f1256dcfed02b4eb8d60d230\.1920x1080\.jpg?t=1633005046, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/910460/ss\_1036a8656497c64831207e1da706a65e4c64db45\.1920x1080\.jpg?t=1633005046, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/910460/ss\_1621426d04075e9bbe03496fc549ebcde2140a27\.1920x1080\.jpg?t=1633005046, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/910460/ss\_758587744c243b8ca399b6389bfac1baddcd6c80\.1920x1080\.jpg?t=1633005046

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: 0

- Steam review count: 284

- Steam positive reviews: 221

- Steam negative reviews: 63

- Steam positive percentage: 77.8169014084507%

- 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/7778cdda-b092-4620-9808-273cc55be912/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/7778cdda-b092-4620-9808-273cc55be912/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\-23T17:08:30\.925043\+00:00

- Player count observed: 2026\-09\-23T17:08:32\.302534\+00:00

- Reviews observed: 2026\-09\-23T17:08:31\.946044\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/910460/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=910460","reviews":"https://store\.steampowered\.com/appreviews/910460"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T17:08:30\.925043\+00:00","players":"2026\-09\-23T17:08:32\.302534\+00:00","reviews":"2026\-09\-23T17:08:31\.946044\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"e4155158\-768e\-4151\-9080\-4821c7055ee0","details":"5544830b\-7855\-439c\-b83a\-fd03cb3172a7","players":"d0e30de5\-d2c1\-4405\-b62d\-18f128834fae","reviews":"db4b0a6f\-cbc8\-419b\-87e6\-2b200cd54b78"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"7778cdda\-b092\-4620\-9808\-273cc55be912","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/910460/) · [JSON](/api/v1/games/7778cdda-b092-4620-9808-273cc55be912)