# Sudoku Killer / 杀手数独

Summer DB entity ID: b5cf173a\-c1fe\-478d\-a975\-01ee787c43a6

Steam App ID: 861270

Sudoku  \(数独 sūdoku, digit\-single\) \- is a logic\-based, combinatorial number\-placement puzzle\. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid \(also called "boxes", "blocks", or "regions"\) contains all of the digits from 1 to 9\.   Killer Sudoku puzzles include all the rules of regular Sudoku but add in dashed\-line 'cages' which must sum to given values\. Killer Sudoku is also sometimes known as Sumdoku, Mathdoku or Addoku\.  The name 'Killer' Sudoku arises because of the wicked twist on the standard Sudoku puzzle, since you must not only place each of the numbers 1 to 9 \(or 1 to the size of the puzzle\) into each of the rows, columns and bold\-lined 3x3 \(or other size\) boxes but you must also place the numbers into each dashed\-line cage so that they add up to its given total \- and without repeating a digit in a dashed\-line cage\. ©     100 killer Sudoku Killer puzzles    Level's progress save    Beautiful minimalist design, multiple color themes    10 ambient relaxing soundtracks    Steam Achievements    Trading Cards, Badge, Emoticons and Backgrounds \(Coming soon\)    Cross\-platform Steam Cloud saves    As always \- Windows, Mac and Linux support

## Game information

- Type: game

- Developer: Konstructors

- Publisher: Hook Games

- Release date: Oct 19, 2018

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Casual, Indie, Strategy

- Categories: Single\-player, Steam Achievements, Steam Cloud, Family Sharing

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/861270/ss\_8c6dde91663e7524c2db4b7a24b9c38cb11aa033\.1920x1080\.jpg?t=1646329081, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/861270/ss\_e20ce64e21913e75e61e264338df7f51261ac47e\.1920x1080\.jpg?t=1646329081, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/861270/ss\_b8391ece035138fc5933cf573c014cb152cfbc7e\.1920x1080\.jpg?t=1646329081, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/861270/ss\_cb2f83ea86e94472df7b620d20aacb1d87fb2418\.1920x1080\.jpg?t=1646329081, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/861270/ss\_9ee5c40329518432791e72e8e1eb96e4733e4a8c\.1920x1080\.jpg?t=1646329081

- Price: 299 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 9

- Steam review count: 246

- Steam positive reviews: 218

- Steam negative reviews: 28

- Steam positive percentage: 88.6178861788618%

- 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/b5cf173a-c1fe-478d-a975-01ee787c43a6/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/b5cf173a-c1fe-478d-a975-01ee787c43a6/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\-23T14:01:22\.960191\+00:00

- Player count observed: 2026\-09\-23T14:01:24\.719048\+00:00

- Reviews observed: 2026\-09\-23T14:01:23\.97066\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/861270/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/861270/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=861270","reviews":"https://store\.steampowered\.com/appreviews/861270"\},"price":"2026\-09\-23T14:01:22\.960191\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T14:01:22\.960191\+00:00","players":"2026\-09\-23T14:01:24\.719048\+00:00","reviews":"2026\-09\-23T14:01:23\.97066\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"70c7a7e2\-5a15\-4fd4\-a45c\-a608a264978a","catalog":"e5e736c9\-3147\-47f2\-a063\-977363ceda1d","details":"f1dea362\-34c5\-4bf3\-a9b9\-0d9773869aef","players":"cc42ab5e\-478d\-473e\-94da\-7b380b30756c","reviews":"34888e24\-528b\-4f91\-996d\-3c2f21c271a0"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"b5cf173a\-c1fe\-478d\-a975\-01ee787c43a6","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/861270/) · [JSON](/api/v1/games/b5cf173a-c1fe-478d-a975-01ee787c43a6)