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Free Play
Easy Sudoku
Medium Sudoku
Hard Sudoku
Expert Sudoku
Daily
Learn
Printable
How to play
Statistics
Settings
Menu
Free Play
Easy Sudoku
Medium Sudoku
Hard Sudoku
Expert Sudoku
Daily
Learn
Printable
How to play
Statistics
Settings
Settings
Preferences are saved only on this device and apply immediately.
Check mistakes
Highlight an incorrect entry and add it to the mistake count.
Show mistake count
Hide the counter without clearing recorded mistakes.
Text size
Increase interface and supporting text size.
Normal
Large
Extra large
High contrast
Use stronger borders and text contrast.
Reduce motion
Minimize transitions and hint animation.