Kakuro++

Kakuro++ is a number puzzle game in which you fill grids with digits from 1 to 9. Also known as Cross Sums, each puzzle gives sums for horizontal and vertical groups, which you solve using logic, combinations and deduction.

Puzzles and difficulty

The game includes 800 puzzles across 16 difficulty levels, ranging from small beginner-friendly grids to expert challenges. Its rules are simple, while completing the grids calls for logical reasoning.

Puzzle tools

You can use notes and annotations, undo up to 100 moves, check for errors and get help with combinations. The interface is designed to be clean and readable, with no ads or timers.