Zenkuro: Kakuro Cross Sums

Zenkuro is a calm, pastel take on Kakuro — the classic "cross sums" number puzzle. Settle into a quiet grid, fill each run of cells so it adds up to its clue using the digits 1 to 9 with no repeats, and let the numbers fall into place. 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 • Full English and French support • No forced ads: they stay optional, and removable with a single 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.