# Jacob

Summer DB entity ID: c8af6112\-ed85\-4b59\-8449\-ffd9876475c8

Steam App ID: 449780

Jacob: a free and simple puzzle game/experience with a scientific twist \- it's evidence\-based, using research on societal inequalities to determine game difficulty\.   Features •	Incorporation of real research findings into gameplay \- a simple control scheme with quick play\-through\.  •	Leaderboard \- players build a population of scores which reflect socioeconomic difficulty, game skill, and random chance\.  •	Awe\-inspiring silhouette landscapes\.    •	Beautiful and uplifting soundtrack\.

## Game information

- Type: game

- Developer: Duck Duck Zeus

- Publisher: Centre For Longitudinal Studies

- Release date: Jul 18, 2016

- Coming soon: false

- Free to play: true

- Parent Steam app: Not collected

- Genres: Casual, Free To Play, Indie, Strategy

- Categories: Single\-player, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_f6ebeba322d9e8ef1ca213abddb466d971965890\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_375ec0cbfbc171064abd7056edeac583279b9509\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_2419a900343672046aec8b538907778009f5d4f3\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_67bf3c37ccfaf6152e10b129d3a0a05e4f1499a8\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_0d45712b089b65e29a2bc68e267c8090140bea45\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_2419a900343672046aec8b538907778009f5d4f3\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_67bf3c37ccfaf6152e10b129d3a0a05e4f1499a8\.1920x1080\.jpg?t=1615851706, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/449780/ss\_0d45712b089b65e29a2bc68e267c8090140bea45\.1920x1080\.jpg?t=1615851706

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: 0

- Steam review count: 102

- Steam positive reviews: 39

- Steam negative reviews: 63

- Steam positive percentage: 38.23529411764706%

- 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/c8af6112-ed85-4b59-8449-ffd9876475c8/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/c8af6112-ed85-4b59-8449-ffd9876475c8/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\-22T10:08:23\.6312\+00:00

- Player count observed: 2026\-09\-22T10:08:24\.913974\+00:00

- Reviews observed: 2026\-09\-22T10:08:24\.667117\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/449780/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=449780","reviews":"https://store\.steampowered\.com/appreviews/449780"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T10:08:23\.6312\+00:00","players":"2026\-09\-22T10:08:24\.913974\+00:00","reviews":"2026\-09\-22T10:08:24\.667117\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"8815dd7c\-2f6b\-414d\-804c\-76658946e254","details":"b3ed8b76\-2e9e\-4dae\-85fd\-458242978e0b","players":"f058adc9\-755b\-4d73\-be4c\-4cc6e7242f8c","reviews":"3c801456\-230a\-4fb8\-aac1\-930d1595229a"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"c8af6112\-ed85\-4b59\-8449\-ffd9876475c8","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/449780/) · [JSON](/api/v1/games/c8af6112-ed85-4b59-8449-ffd9876475c8)