Haydoku: Animal Sudoku Puzzle
Jiexiong Zhou Games iPhoneiPadiPod touch
Haydoku: Animal Sudoku Puzzle is a free Games app for iPhone and iPad by Jiexiong Zhou. Requires iOS 15.0. Updated August 20, 2026.
- Price
- Free
- on the App Store
- Size
- 29 MB
- Age 4+
- Updated
- Aug 20
- 2026 · v1.8.4
Screenshots
About Haydoku: Animal Sudoku Puzzle
Find the hidden animals — no timer, no pressure, just you and a quiet moment of logic. Haydoku is a cozy animal sudoku puzzle. Little animals are hiding in colorful haystacks, and every single one of them can be found by pure reasoning. No luck, no guessing — think it through and you will always find them. SIMPLE RULES, DEEP DEDUCTION — Each color region hides exactly one animal. — Each row and each column holds exactly one. — Animals never touch, not even diagonally. — Double-tap a haystack to reveal an animal. You have 3 hearts, and every puzzle is solvable by reasoning alone. RELAX & UNWIND — Soft hand-drawn art, gentle sounds, no timers, no pressure. Play one puzzle to decompress, or sink into a long cozy session. 10,000+ PUZZLES — From quick 5x5 boards to deviously clever 12x12 grids, with difficulty that grows gently — always challenged, never stuck. DAILY LOGIC PUZZLE — One fresh puzzle every day, the same for everyone. Build your streak. HELPFUL HINTS — Stuck? A gentle nudge shows you the next logical step — teaching, not spoiling. PLAY OFFLINE — No internet needed. Perfect for commutes, queues, and quiet evenings. If you enjoy Star Battle or Queens-style logic puzzles, you will feel right at home — the same kind of deduction, wrapped in a cosy little farm. Love sudoku, or just want a calm brain teaser to wind down with? Haydoku is your new cozy corner. Find the animals. Calm your mind.
What’s new
Version 1.8.4 · Updated August 20, 2026
• A smoother, more polished app launch • Small fixes and performance improvements
Play today's Frostfire puzzle
Balance fire and ice: half of each in every row and column. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, Jiexiong Zhou, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID
- Other Data: Other Data Types
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
- Purchases: Purchase History
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to Haydoku: Animal Sudoku Puzzle
Looking for apps like Haydoku: Animal Sudoku Puzzle? Here are 6 similar apps on the App Store. The highest rated is Zoodoku - Animal Puzzle (4.9/5), and all 6 are free to download.
-
Zoodoku Rescue: Logic Puzzle
4.7
-
Sheepdoku
4.6
-
Pengdoku - Logic Puzzle Games
4.8
-
Bloom Sudoku
4.7
-
Zoodoku - Animal Puzzle
4.9
-
Colordoku: Logic Puzzle
4.7
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Haydoku: Animal Sudoku Puzzle | – | Free | August 20, 2026 | |
| Zoodoku Rescue: Logic Puzzle | 4.7 / 5 (134) | Free | Oct 24, 2026 | Compare |
| Sheepdoku | 4.6 / 5 (57) | Free | Sep 25, 2026 | Compare |
| Pengdoku - Logic Puzzle Games | 4.8 / 5 (376) | Free | Oct 23, 2026 | Compare |
| Bloom Sudoku | 4.7 / 5 (217) | Free | Sep 17, 2026 | Compare |
| Zoodoku - Animal Puzzle | 4.9 / 5 (611) | Free | Oct 22, 2026 | Compare |
| Colordoku: Logic Puzzle | 4.7 / 5 (2,870) | Free | Oct 9, 2026 | Compare |