Zenkuro: Kakuro Cross Sums

An endless supply of fresh Kakuro puzzles, each with one unique solution. Choose your level and solve at your own pace.

Enjoy endless Kakuro puzzles, generated fresh for every game with one guaranteed solution. Zenkuro brings a calm pastel style to the classic cross-sums number puzzle.

Every puzzle is generated on the spot with a guaranteed unique solution — no databases, no repeats, just an endless supply of fresh grids across several difficulty levels.

WHY YOU'LL LOVE IT • Soft pastel, zen design made for relaxing • Endless randomly generated puzzles, each with one unique solution • Multiple difficulty levels, from a gentle warm-up to a real brain workout • Pencil mode to jot candidate digits in each cell • Hints when you're stuck, and unlimited undo • Built-in timer and best-time tracking per difficulty • Auto-save: leave anytime and resume right where you left off • Haptic and sound feedback for input, mistakes and victories • Available in 9 languages • Remove advertising and unlock unlimited hints with one purchase

HOW TO PLAY Kakuro is like a crossword with numbers. Each clue tells you the sum of the cells in its row or column. Fill them with the digits 1 to 9 so they reach the sum — and never repeat a digit within the same run. New to it? A gentle in-app tutorial walks you through the rules.

Breathe, think, solve. Welcome to Zenkuro.