A crossword built from arithmetic, fill every run so its digits are all different and add up to exactly the clue.
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How to play
Each across and down run has a clue: the total its cells must add to. Fill the white cells with digits 1 to 9 so every run hits its sum and no digit repeats within a single run. Logic alone, no guessing required, solves a well-formed grid.
Fill each run with digits 1–9 that sum to its clue
Never repeat a digit inside the same run
Use overlapping across/down runs to pin values down
Complete every run to solve the grid
Controls
Desktop: click a cell and type a digit, or use the on-screen number pad
Phone & tablet: tap a cell, then tap a number on the pad
Game modes
Difficulty: easy, medium and hard grids
Daily puzzle plus an endless practice mode
Tips & strategy
Start with short runs that have only one digit combination, like 3 in two cells
Use the intersection of an across and down run to fix a single cell
Pencil through which digit sets a run allows before committing
About Kakuro
Kakuro is the classic cross-sums number puzzle, rebuilt as an original, solver-verified free browser game with multiple difficulties and a daily challenge.
A free, original browser game on PlayPendium. No download, no install.
Kakuro is a logic puzzle often called a mathematical transliteration of the crossword, where digits 1–9 must sum to clues in horizontal and vertical entries without ever repeating a digit in the same
