Play Free Sudoku Online — 200 Puzzles, Easy to Hard
Have a game code, like M001? Look up that puzzle →
New to sudoku? Learn how to play in two minutes →
⏱ 00:00
Tap a square, then tap a number. Long-press a number for pencil marks.
Select a Puzzle (200 Total)
Liked these? The real hunt is in the book: Sudoku with a Secret, $14.99 paperback on Amazon ↗ · how the secret works
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Puzzle Completed!
Time: 04:12
SECRET KEY DIGIT UNLOCKED
Key #1 Digit = 5
Recorded in your Solver's Passport!
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Nicely solved.
These are practice puzzles — free, forever. But the real hunt hides in the book: hidden among its puzzles are the keys to a password, and speaking it opens vaults of treasure and 350 more free puzzles.
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