# Lemma

Summer DB entity ID: ed0ddabc\-2658\-4dd1\-af79\-7152f80923f1

Steam App ID: 300340

Immersive first\-person parkour in a surreal, physics\-driven voxel world\.  Lemma enables creative building through movement\. Spawn structures just by moving through space\. Extend platforms, smash through walls, and build new ones, all through parkour moves\.    Non\-linear story \- four possible endings   Oculus Rift support \(currently limited to SDK v0\.6\.0\.1\-beta\)   Time trial mode   Built\-in level editor with Steam Workshop support   Xbox 360 Controller support

## Game information

- Type: game

- Developer: Helvetica Scenario

- Publisher: Helvetica Scenario

- Release date: May 12, 2015

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Action, Adventure, Indie

- Categories: Single\-player, Steam Achievements, Full controller support, Steam Trading Cards, VR Support, Steam Workshop, Steam Cloud, Stats, Steam Leaderboards, Includes level editor, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_1af6c05632f7b87059576012fae1b7d865c467aa\.1920x1080\.jpg?t=1781715501, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_a6f4067ba1f676e240ed87d50e643822ab49af27\.1920x1080\.jpg?t=1781715501, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_4a72544a18b54f98fa6d1d65dbf2fd3efe5f6646\.1920x1080\.jpg?t=1781715501, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_4882a2ac09b25228aafef6e0156f08de03b9ad8e\.1920x1080\.jpg?t=1781715501, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_114eda1084051a3ec8b6b6ca1d65c147eb896b16\.1920x1080\.jpg?t=1781715501, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_156375ba6dfe87f44cc3ef4b86d023a94a22698d\.1920x1080\.jpg?t=1781715501, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/300340/ss\_cc9e080447becf029d0b150f1bf5f169ad90d8fa\.1920x1080\.jpg?t=1781715501

- Price: 1499 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 0

- Steam review count: 250

- Steam positive reviews: 205

- Steam negative reviews: 45

- Steam positive percentage: 82%

- 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/ed0ddabc-2658-4dd1-af79-7152f80923f1/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/ed0ddabc-2658-4dd1-af79-7152f80923f1/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\-22T00:14:04\.506052\+00:00

- Player count observed: 2026\-09\-22T00:14:05\.701197\+00:00

- Reviews observed: 2026\-09\-22T00:14:05\.464066\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/300340/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/300340/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=300340","reviews":"https://store\.steampowered\.com/appreviews/300340"\},"price":"2026\-09\-22T00:14:04\.506052\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T00:14:04\.506052\+00:00","players":"2026\-09\-22T00:14:05\.701197\+00:00","reviews":"2026\-09\-22T00:14:05\.464066\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"edb678c4\-6079\-42bb\-a752\-f59375f14e68","catalog":"8e32c188\-7fac\-4634\-a868\-8f7e64d93974","details":"379b63dd\-9e0a\-4611\-a62e\-c4fbb3a3cc77","players":"d6a95f8b\-5fea\-44ac\-8074\-06bc40eed4b6","reviews":"57074648\-dab4\-4987\-9cd1\-30c58008b2f3"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"ed0ddabc\-2658\-4dd1\-af79\-7152f80923f1","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/300340/) · [JSON](/api/v1/games/ed0ddabc-2658-4dd1-af79-7152f80923f1)