Number Puzzles

Number puzzles built on pure logic. Classic Sudoku comes in four levels, and Killer Sudoku adds cage totals for solvers who enjoy a little arithmetic. Kakuro and Futoshiki will follow as each passes our checks.

Sudoku
100 free printable puzzles in 4 levels.
Killer Sudoku
30 free printable puzzles in 3 levels.

Coming next

We publish a new format only once its puzzles can be checked automatically or by an editor. Next up: Kakuro, Futoshiki, Sudoku variants.