Unlimited & Free
Free to download and play. Thousands of puzzles with no limits — just open the app and solve.
Free · Unlimited · iOS
A Daily
Duel.
Sharper every day.
Classic sudoku, unlimited and free. Five difficulty levels, freshly generated puzzles that never repeat, and a beginner mode that makes the game approachable for everyone.
Features
Everything you need.
Nothing you don’t.
Built to be the sudoku you actually come back to — welcoming for beginners, endlessly fresh for veterans.
Fresh Puzzles Every Time
On Easy and above, every puzzle is uniquely generated. You will never see the same puzzle twice. The engine keeps creating new challenges around the clock.
Five Difficulty Levels
Beginner, Easy, Medium, Hard, and Extreme. There is a level for every skill set — start wherever feels right and level up on your terms.
Beginner Mode
New to sudoku? Beginner mode eases you in with extra guidance so the game never feels overwhelming. Learn the logic at your own pace.
Track Your Progress
Per-difficulty streaks, rolling average solve times, and a full history of every game. Watch yourself improve — without any pressure to be faster than yesterday.
Made Your Way
Adjust settings to match how you like to play. The game works around you — not the other way around.
How it works
Pick up and play.
No account. No tutorial you can’t skip. Just open the app and solve.
Choose your level
Pick from five difficulty levels. New to sudoku? Start at Beginner. Seasoned solver? Jump straight to Hard or Extreme. The choice is always yours.
Play at your pace
No pressure, no countdown. One puzzle in the morning or ten puzzles on a rainy afternoon — the game fits your schedule, not the other way around.
Come back tomorrow
Fresh puzzles generate automatically in the background. The game always has something new waiting for you — so there is always a reason to return.
FAQ
Common questions.
Is it really free?
Free to download and play. No account required — just open the app and start solving.
Will I ever repeat a puzzle?
On Easy and above, no. Every puzzle is freshly generated, so you will never encounter the same board twice. Beginner puzzles use a curated set great for learning the basics.
Do I need an account?
No account required. Download, tap, and play. Your progress saves locally on your device.
What devices are supported?
Sudoku Unlimited+ runs on iPhone and iPad. It is designed to look great on any screen size.