Find every hidden cat

Catdoku is a cozy logic puzzle. Every color room hides one cat; each row and column holds one; no two cats touch. Rule out tiles, deduce the rest, and place every cat without guessing.

• 3,094 puzzles, from 4×4 to 11×11, each with exactly one solution
• A new daily challenge for everyone
• Hints that teach the next logical step
• Day and night themes
• Free, works offline, no account, no ads