Cat Sudoku is a free browser logic puzzle. Place one cat in every row, column, and colored region so no two cats touch—even diagonally. Play a shared daily puzzle, unlimited practice grids, or create and share your own. No account or download.
Tap a square to cycle empty, cat, and crossed-out note. Put exactly one cat in every row, column, and colored region, with no two cats touching, including diagonally. Easy 6x6, medium 7x7, hard 9x9; check, hint and undo available.
Cat Sudoku was submitted to SlowDen by Cat Sudoku Team. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-11-10. It runs in the browser with no download, no install and no sign-up.