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Seven levels. No pressure, no account.
01EasyThe perfect place to start: find single missing digits with basic elimination.02MediumKnow the basics? Train your eye to spot hidden singles and new possibilities.03HardFor advanced players: the first glance is rarely enough.04Very hardTake your time and work methodically through challenging deductions.05ExtremeFor everyone who finds ordinary hard puzzles too straightforward.06ExpertLooking for a challenge that goes far beyond everyday puzzles?07InhumanThese puzzles may require exceptionally long logical chains.
The daily challenge
The same puzzle for everyone. New each day, no account needed.
Play daily challengePlay Sudoku your way
Sudokunaut combines classic 9×9 puzzles with intuitive controls, personal statistics and locally saved games. Every puzzle has one unique solution. Enter numbers by touch or keyboard. Notes and hints help whenever you get stuck.
Every puzzle has one solution. Your progress is saved so you can pick up where you left off.
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