Sudoku Variants
Classic Sudoku is just the start. Try these popular variations.
Killer Sudoku
Classic rules plus arithmetic cages — sums must match the target inside each dotted region.
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Jigsaw Sudoku
Classic rules, but the nine 3x3 boxes become nine irregular jigsaw-shaped regions.
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Mini Sudoku
A friendlier 6x6 grid. Perfect for beginners and quick coffee-break puzzles.
Samurai Sudoku
Five overlapping 9x9 grids in one puzzle. Five times the fun, five times the challenge.