# Lost Cosmonaut

Summer DB entity ID: 1f82d8c6\-c3e9\-4ff7\-9642\-c266e71dbe8d

Steam App ID: 447540

Rejoice comrades\! For you have survived the crash landing\! Become lost on a randomly generated planet in Lost Cosmonaut, an action platformer with roguelike elements\.     Features:     Fight for your survival against the aggressive alien inhabitants    Over 10 powerful bosses to face    Explore 10 massive randomly generated levels with different terrains and enemies    Unlock up to 8 special characters    Incredible original soundtrack

## Game information

- Type: game

- Developer: Charlie Evans

- Publisher: Charlie Evans

- Release date: Mar 25, 2016

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Action, Indie

- Categories: Single\-player, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/447540/ss\_ecb46df2860e924ab5d703c34f6690e25a6cc4b9\.1920x1080\.jpg?t=1459195413, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/447540/ss\_cc2e94bbbdb87fb64b8a7dcbfa767ec1ab0f6fbf\.1920x1080\.jpg?t=1459195413, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/447540/ss\_d598ed1148759abd4281adfebf4eafe9269441e4\.1920x1080\.jpg?t=1459195413, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/447540/ss\_58319c0267bffaef5e535f3136e5b0add853c369\.1920x1080\.jpg?t=1459195413, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/447540/ss\_177e01ef077af28773158240ffc4da0beb7646fc\.1920x1080\.jpg?t=1459195413, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/447540/ss\_08edb08839505032e801f3b15294a3f6c57018a2\.1920x1080\.jpg?t=1459195413

- Price: 699 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 0

- Steam review count: 2

- Steam positive reviews: 0

- Steam negative reviews: 2

- Steam positive percentage: 0%

- 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/1f82d8c6-c3e9-4ff7-9642-c266e71dbe8d/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/1f82d8c6-c3e9-4ff7-9642-c266e71dbe8d/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\-24T19:57:04\.362365\+00:00

- Details observed: 2026\-09\-22T09:30:53\.747832\+00:00

- Player count observed: 2026\-09\-22T09:30:55\.143454\+00:00

- Reviews observed: 2026\-09\-22T09:30:54\.7663\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/447540/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/447540/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=447540","reviews":"https://store\.steampowered\.com/appreviews/447540"\},"price":"2026\-09\-22T09:30:53\.747832\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-22T09:30:53\.747832\+00:00","players":"2026\-09\-22T09:30:55\.143454\+00:00","reviews":"2026\-09\-22T09:30:54\.7663\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"71b71b92\-92e3\-444a\-99a9\-6f784a351f57","catalog":"be54230c\-e70c\-4b70\-95b9\-86fe0d2ed0d7","details":"0346e7cd\-ee3f\-4ed6\-8a4c\-7fe46c3ed56c","players":"f03dc4c2\-72ab\-4256\-b892\-c418cb9e249c","reviews":"955f840d\-b8e0\-41bf\-ad69\-8fa44abaf8cc"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"1f82d8c6\-c3e9\-4ff7\-9642\-c266e71dbe8d","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/447540/) · [JSON](/api/v1/games/1f82d8c6-c3e9-4ff7-9642-c266e71dbe8d)