Haydoku: Animal Logic Puzzle

No timers, no pressure — just you, cute animals, and a quiet moment of logic.

Looking for a puzzle that calms you down while keeping your brain pleasantly busy? Meet Haydoku — a cozy logic game that blends the clean reasoning of Sudoku with the satisfying deduction of Minesweeper.

Adorable animals are hiding in colorful haystacks. Your job: find every one of them — by pure logic.

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 — no guessing, ever.

RELAX & UNWIND — Soft art, gentle sounds, no timers, no pressure. Play one puzzle to decompress, or sink into a long cozy session.

10,000+ PUZZLES — From quick small boards to deviously clever large grids, with difficulty that grows gently — always challenged, never stuck.

DAILY CHALLENGE — 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.

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.