# Lambdoku > Cozy logic puzzle game with sheep placement on a grid. (iPhone/iPad app by Beijing Lebosky Technology Co., Ltd.) - Source: https://appshunter.io/ios/app/lambdoku/id6787063800 (this page in markdown: same URL + `.md`) - Developer: [Beijing Lebosky Technology Co., Ltd](https://appshunter.io/developer/1684696787) - Category: Games - Price: Free - Rating: 1.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 130 MB - Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) - Released: 2026-07-07 - Data updated: 2026-10-21 - Monetization: free ## What is Lambdoku? Here is the updated English text with "SheepDoku" replaced by "Lambdoku": Every row, every column, and every region! Lambdoku is a cozy logic puzzle game where you place adorable sheep on a colorful grid. Every puzzle follows three simple rules: each color has one sheep, each row and column has one sheep, and no two sheep can touch — not even diagonally! Clear impossible cells step by step, trust pure logic over guessing, and feel the satisfying click when the entire board finally comes together. Why You'll Love Lambdoku • Play anytime, anywhere — perfect for coffee breaks or winding down • Simple tap controls that feel natural from the first puzzle • Fast, addictive, and deeply satisfying gameplay • A warm, cozy art style with the cutest sheep you've ever seen What's Inside • Main Levels that start simple and grow into satisfying brain teasers • Daily Shepherd — the same puzzle worldwide, every day. Can you be the fastest? • Survival Mode for endless practice with no pressure • Golden Fleece rewards, helpful hints, and collectible sheep skins • Game Center leaderboards and progress sync across all your devices Want More? Unlock Lambdoku Pro • Remove all ads for a distraction-free experience • Unlock every main level instantly • Earn bigger rewards with every solve • Smart Auto-Mark to speed up your logic • Bonus hints when you need a little help Download Lambdoku free and start your puzzle journey today! ## Key features - Cozy logic puzzle gameplay - Adorable sheep characters - Daily puzzle challenges - Multiple game modes - Collectible sheep skins - Leaderboards and progress sync ## Is Lambdoku safe? Not enough ratings yet to assess Lambdoku. ## Is Lambdoku legit? Lambdoku appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Lambdoku is 75 out of 100 points across 7 verification signals from App Store and developer data. ## Frequently asked questions about Lambdoku ### What is Piggydoku? Piggydoku is a cozy logic puzzle game where players place adorable sheep on a grid. The goal is to follow rules about color, row, column, and adjacency to solve each puzzle. ### How do you play Piggydoku? You place sheep on the grid based on three rules: each color has one sheep, each row and column has one sheep, and no two sheep can touch, even diagonally. Logic is used to clear impossible cells and complete the board. ### What are the game modes in Piggydoku? Piggydoku features Main Levels that increase in difficulty, a Daily Shepherd puzzle available worldwide each day, and a Survival Mode for endless practice without pressure. ### Can I play Piggydoku offline? The description implies offline play is possible, highlighting its suitability for 'coffee breaks or winding down' and playing 'anytime, anywhere'. ### Does Piggydoku have ads? Piggydoku is free to download and play. An optional 'SheepDoku Pro' upgrade is available to remove all ads for a distraction-free experience. ### What devices does Piggydoku support? Piggydoku is supported on iPhone, iPad, and iPod, indicating compatibility with iOS devices. ### Is Piggydoku suitable for children? Piggydoku has an age rating of 4+, suggesting it is appropriate for young children and features a friendly, cozy art style. ### How often is Piggydoku updated? The app was last updated on July 7, 2026, with version 1.0. Further update frequency is not specified in the provided data. ## Version history (last 3 releases) ### 1.2 — 2026-10-16 Enhanced user experience and fixed known issues. ### 1.1 — 2026-10-15 Enhanced user experience and fixed known issues. ### 1.0 — 2026-07-07 No release notes. ## Apps similar to Lambdoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [Doodle Atlas: Match Game](https://appshunter.io/ios/app/doodle-atlas-match-game/id6803795043) | — | Free | Games | | [Classic Solitaire: Calm Cards](https://appshunter.io/ios/app/classic-solitaire-calm-cards/id6813372270) | 4.8 (30) | Free | Games | | [Arrow Out Unlocked](https://appshunter.io/ios/app/arrow-out-unlocked/id6808252947) | — | Free | Games | | [Flow Match!](https://appshunter.io/ios/app/flow-match/id6810830155) | 4.7 (32) | Free | Games | | [Arrow Maze: Puzzle Master Pro](https://appshunter.io/ios/app/arrow-maze-puzzle-master-pro/id6812653109) | — | Free | Games | | [Arrows Away 3D](https://appshunter.io/ios/app/arrows-away-3d/id6805211996) | 4.6 (79) | Free | Games | ## More apps by Beijing Lebosky Technology Co., Ltd - [柴火斯基](https://appshunter.io/ios/app/id1499626646) - [Solitaire Factory](https://appshunter.io/ios/app/solitaire-factory/id6738118594) - [Water Magic Match](https://appshunter.io/ios/app/water-magic-match/id6758202623) - [Happy Jigsawcard Puzzle](https://appshunter.io/ios/app/happy-jigsawcard-puzzle/id6758293631) - [Nonogram Puzzle master](https://appshunter.io/ios/app/nonogram-puzzle-master/id6762338199) - [Nut Sort Rush](https://appshunter.io/ios/app/nut-sort-rush/id6783292956) All apps by Beijing Lebosky Technology Co., Ltd: https://appshunter.io/developer/1684696787 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-21.*