About PetDoku
PetDoku is classic sudoku with a cozy twist: adorable hidden pets are waiting behind the numbers. Fill the 9x9 grid so that every row, column and box contains the digits 1 to 9 exactly once — the rules you already know, wrapped in a warm, relaxing theme.
Whether you are a first-time player or a daily sudoku solver, PetDoku scales with you. Four difficulty levels, gentle hints, and a clean board designed for comfortable play on any screen. No time pressure unless you want it — just you, the numbers, and the pets.
How to Play
- Tap an empty cell to select it, then tap a number to place it.
- Every row, column and 3x3 box must contain 1–9 with no repeats.
- Use notes to pencil in candidates, and hints when you are stuck.
- Complete the puzzle to reveal and collect the hidden pet.
Features
- Classic 9x9 sudoku with four difficulty levels
- Collectible pet theme that grows as you play
- Notes, hints, mistake check and auto-save
- Play free in your browser — also on iOS, Android and Amazon
