Cubdoku

Cubdoku is a cozy logic puzzle with an adorable bear cub mascot. Place exactly one cub in every row, every column, and every colored region. Cubs cannot touch, even diagonally. Use X marks to rule out cells and let each puzzle click into place.

HOW TO PLAY
Start with a small board and learn the rules in minutes. Work through 784 puzzles across six board sizes and five difficulty tiers, from Tutorial to Expert. Every puzzle has exactly one solution.

A NEW PUZZLE EVERY DAY
Solve a fresh daily puzzle, build a streak, and fill your calendar. Your progress, stats, and puzzle history are saved on your device.

COLLECT ADORABLE CUBS
Earn coins as you play, unlock collectible bear cubs, and equip your favorite. Meet the Brown, Polar, Chef, and other cubs.

PLAY YOUR WAY
• Mark cells with an X and undo a move when you slip.
• Turn on auto-marking to clear impossible cells.
• Use Color Assist for patterned regions.
• Choose whether to use haptics and sound.
• Play puzzles offline, with no account or sign-up required.

FREE TO PLAY
Cubdoku is free to play. Enjoy hundreds of puzzles and a fresh daily challenge.

One cub. Every row. Every column. Every region. Go.