A little logic, a little help

Meowdoku Puzzle Solver

Enter your cat puzzle and find a valid solution with our logic solver.

User-provided Level 1 fixture

A place for every cat

0 / 5 cats placed

5 × 5 fixture supplied by the user. Its rules and unique answer were checked mathematically; its official origin has not been independently verified.

Click or use Tab, then Enter / Space. Fixed cats have a lock and stay in place.

Region PRegion GRegion YRegion LRegion B

Click a square to place a cat. Click a movable cat again to remove it.

Enter another board

Enter region labels row by row, then add any fixed cats. Loading replaces the current board and its history.

Smart hints

Follow single-candidate logic, one cat at a time. If these strategies cannot prove a move, we stop.

Request a hint to see candidates and the next provable placement.

A little guidance

Rule status

Valid, incomplete

Your placements follow the rules so far. An incomplete board can still turn out to have no solution.

One cat per rowNo conflict
One cat per columnNo conflict
One cat per color regionNo conflict
Cats cannot touchNo conflict
Fixed cats are keptNo conflict

A clearer next step

Search result

Place cats if you have a starting position, then choose Solve Puzzle. We’ll search for answers that keep those placements.

Manual boards: 1–8 rows and columns. Solving runs only when requested. Advanced requests use separate work budgets. The full Solver has no search timeout or cancellation.