Kakuro (PuzzleMadness)

Kakuro is a crossword made of numbers. The grid starts empty except for the clue squares, and each clue gives the total of the run of white squares to its right or below it. You fill the runs with digits 1 to 9 that add up to the clue, never repeating a digit within one run (a digit may appear again in a different run of the same row).

The daily page opens today's puzzle on its own, and its title carries the date (on 3 October 2026 it read "Daily Medium Kakuro Puzzle for Saturday 3rd October 2026 (Easy)"). Each of the three sizes from Small to Large has a dated puzzle of its own. The Mixed page is a fourth grid with a layout of its own, not a copy of one of the other three (on 28 October 2026 it was an 11x11 that differed from the Medium 11x11). Past days stay in the archive, so a missed puzzle can be played later, and there is a print version and an image download of the grid. PuzzleMadness does not publish solutions: the site tells you when you have finished a grid correctly or made a mistake. Each completed puzzle adds to your total on the Kakuro monthly and all-time leaderboards, where only your best score on any one puzzle counts.

The rules page starts with short runs that have only one way to make their total: 3 in two squares is 1 and 2, 4 is 1 and 3, 16 is 7 and 9, 17 is 8 and 9. Where a forced across run crosses a forced down run, the shared square is often the only digit both allow.

PuzzleMadness is a British puzzle site with dozens of daily puzzle types in the browser, from many sudoku variants to logic grids such as Nurikabe, Hashi and Slitherlink. It is free to play and carries ads. A free account keeps track of the puzzles you have finished and puts your name on the leaderboards, and the badges next to usernames mark how many puzzles a player has completed.