Killer Sudoku online
Play Killer Sudoku with cage sums — free in your browser.
About this Sudoku page
Killer Sudoku adds cage totals on top of classic row, column, and box rules.
FAQ
Everything you need to enjoy Sudoku with calm, focused play.
How do I play Sudoku online?+
Fill each row, column, and 3×3 box with digits 1 to 9 exactly once. Tap or click a cell, then choose a number from the keypad.
Is an account required to play Sudoku?+
No. You can start immediately in your browser without creating an account.