# Zen of Sudoku

Summer DB entity ID: 67eb329d\-45ab\-4b68\-adf7\-3345c891154b

Steam App ID: 4900

From the creators of Natural Selection comes Zen of Sudoku, a relaxing, easy to play version of Sudoku for your PC\.   Relax with hand\-painted Japanese\-styled backgrounds, no timer and lush natural soundscapes\.   Stimulates your brain to keep it healthy and alert\.   Teaches you the basics of Sudoku through advanced strategies like "naked pairs", "x\-wing" and "locked candidates"\.   Play unlimited puzzles, print them to finish offline and enter custom puzzles from other sources\.   Unlock trophies, backgrounds and more\.  This product includes portions of the PopCap Games Framework\.

## Game information

- Type: game

- Developer: Unknown Worlds Entertainment

- Publisher: Unknown Worlds Entertainment

- Release date: Dec 14, 2006

- Coming soon: false

- Free to play: true

- Parent Steam app: Not collected

- Genres: Casual, Indie

- Categories: Single\-player, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001000\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001001\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001002\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001003\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001004\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001005\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001006\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001007\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001008\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001009\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001010\.1920x1080\.jpg?t=1659427988, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/4900/0000001011\.1920x1080\.jpg?t=1659427988

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: 7

- Steam review count: 378

- Steam positive reviews: 338

- Steam negative reviews: 40

- Steam positive percentage: 89.41798941798942%

- 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/67eb329d-45ab-4b68-adf7-3345c891154b/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/67eb329d-45ab-4b68-adf7-3345c891154b/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\-28T17:17:10\.765432\+00:00

- Player count observed: 2026\-09\-28T17:17:12\.389445\+00:00

- Reviews observed: 2026\-09\-28T17:17:12\.138114\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/4900/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=4900","reviews":"https://store\.steampowered\.com/appreviews/4900"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-28T17:17:10\.765432\+00:00","players":"2026\-09\-28T17:17:12\.389445\+00:00","reviews":"2026\-09\-28T17:17:12\.138114\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"5f600dee\-dcf6\-4950\-b13e\-6dbf20cc1886","details":"7a89fec7\-6ba1\-45da\-bb4f\-d1a37d5703cf","players":"94743b9d\-5b1d\-4db8\-aad9\-2b83cd209b30","reviews":"7430b0a6\-539f\-4ef3\-a6e3\-233a621caeaf"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"67eb329d\-45ab\-4b68\-adf7\-3345c891154b","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/4900/) · [JSON](/api/v1/games/67eb329d-45ab-4b68-adf7-3345c891154b)