Sudoku app icon

Sudoku

by All Striking · Free · Contains ads · In-app purchases

Train your brain,
one grid at a time.

Unlimited hand-verified puzzles with a guaranteed unique solution. From your first coffee break solve to expert-level marathons — hints when you need them, undo when you don't.

Get it on Google Play
4difficulty levels
∞unique puzzles
6languages
0ads mid-puzzle
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Guaranteed unique

Every puzzle is generated and verified to have exactly one solution — no guessing required.

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Four difficulty tiers

Easy, Medium, Hard and Expert, tuned by the number of starting clues.

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Smart hints

Out of ideas? Hints reveal cells that are logically forced — never random.

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Unlimited undo

Every move is recorded. Step back through your whole game.

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Dark mode & themes

Cosmetic themes and a true dark mode that respects your system setting.

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Six languages

English, العربية, हिन्दी, Español, Deutsch and සිංහල.