Sudoku game with numbers, letters or colors. Board size can be from 4 to 20 (default size is 9). You can play many variants - Killer, Greater Than, Consecutive, Odd/Even, Diagonal, Samurai and their combinations, too.
- editor and solver
- PDF creator, multiple sudoku per page
- right-click sets marks (candidates)
- unlimited undo, redo
- high scores, but only for local computer
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