Choose Your Sudoku

Select the type of Sudoku puzzle you'd like to solve. Each variant adds unique rules and challenges to the classic Sudoku format.

5947

Traditional Sudoku

The classic 9x9 Sudoku puzzle. No repeats in any row, column or subgrid.
17

Killer Sudoku

Use cage sums in addition to Sudoku rules to solve the puzzle.

Jigsaw Sudoku

Irregular shaped regions replace the standard 3x3 subgrids.
62

Greater Than Sudoku

Inequality signs between cells show greater/lesser than relationships.
45

Consecutive Sudoku

Bars between cells mark consecutive neighbors (which differ by 1).
36

Kropki Sudoku

White dots indicate consecutive digits, black dots indicate 2x.

Shadeoku

Shaded cells form an extra group where 1-9 must also appear.

Windoku

Four shaded windows added four new subgrids to the standard grid.

Minedoku

Clues indicate adjacent mines. 3 mines per row, column and subgrid.
14

Sudoku XV

X indicates cells that sum to 10, V indicates cells that sum to 5.

Fortress Sudoku

Fortress cell values must be larger than all non-fortress neighbors.
54738

Odds and Evens

Orange cells indicate odd digits, blue cells indicate even digits.

Or jump right in: Traditional Sudoku

Competition Timer
March's Winners