Free to play · No ads · iOS

A Daily
Duel.

Sharper every day.

Classic sudoku, free to play every day. Five difficulty levels, a free daily puzzle at every level, and a beginner mode that makes the game easy to pick up. Go Unlimited once for endless puzzles that never repeat.


Features

Everything you need.
Nothing you don’t.

Built to be the sudoku you come back to. Friendly for beginners, endlessly fresh for veterans.

Generous free play

Free to download and play, no ads. Unlimited Beginner games, numbered free game sets on every level, and a free daily puzzle every day.

Go Unlimited, once

One purchase, no subscription. Unlimited fresh puzzles at every level, plus unlimited hints and misses and every color palette.

Never the same puzzle twice

With Unlimited, each puzzle is made fresh for you and checked to have exactly one solution. No fixed library to run out of: the engine keeps making new puzzles around the clock.

Five difficulty levels

Beginner, Easy, Medium, Hard, and Extreme. There is a level for every skill, so start wherever feels right and level up on your terms.

Beginner mode

New to sudoku? Beginner mode eases you in with extra help, so the game never feels like too much. Learn the logic at your own pace.

Daily puzzle & streaks

A fresh puzzle every day, tuned to your level. Solve it to keep your streak alive. An earned streak freeze covers the day you miss. Optional reminders keep the habit going.

Track your progress

Per-difficulty streaks, rolling average solve times, and a full history of every game. Watch yourself improve, with no pressure to be faster than yesterday.

Made your way

Change 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.

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

A free daily puzzle is waiting at every level, every day. With Unlimited, fresh puzzles appear on their own, so there is always something new to solve.

FAQ

Common questions.

Is it really free?

Free to download and play, with no account and no ads. Free play includes unlimited Beginner games, numbered free game sets on Easy through Extreme, and a free daily puzzle at every level. Sudoku Unlimited is an optional one-time purchase ($4.99, no subscription). It unlocks unlimited puzzles at every level.

Will I ever repeat a puzzle?

With the one-time Sudoku Unlimited upgrade, never: each puzzle is made fresh, on demand. Free play has fixed game sets per difficulty, and those repeat once you finish them. You also get a fresh daily puzzle every day. Beginner puzzles come from a hand-picked 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.

Ready to solve?

Download free on the App Store. No account required.