Puzzle game
Sudoku Journey
Calm Sudoku, one level at a time: an endless journey of levels, a new daily challenge, and color themes you unlock with the stars you earn.
Free, supported by ads · iPhone and iPad (iOS 26+) · Android phones and tablets (Android 12+)
Features
Classic Sudoku, with somewhere to go.
Start gently, build your skills level by level, and go from first steps to expert puzzles.
An endless journey
Travel a winding map of levels, grouped into chapters with their own names. Puzzles grow from gentle warm-ups to expert challenges.
Earn stars, unlock themes
Solve without mistakes or hints for three stars. Collect stars to unlock new color themes, and replay any level to improve your score.
A fresh challenge every day
A new daily puzzle, the same for every player. Keep your streak alive, or pick Quick Play from Easy to Expert anytime.
Designed to be relaxing
- Pencil notes that clear themselves
- Highlights for matching numbers
- Unlimited undo and smart hints
Fair, logical puzzles
Every puzzle has exactly one solution. Up to Hard, each one can be solved with logic alone, no guessing needed.
Watch yourself improve
Best times, win rates and streaks for every difficulty. Your game saves automatically, so you can pick up right where you left off.
Screens
Take a look inside.
Day or night
Easy on the eyes, whenever you play.
A calm dark mode is built in, for puzzles before bed. Drag across the screen to compare.
Themes
Earn stars, unlock colors.
Every star counts toward a new look. Tap a color to preview it.
Support
Need a hand?
Contact support
Found a bug, have an idea, or need help? Email [email protected] and include your device model and the app version (shown at the bottom of Settings).
Is my progress saved?
Yes. Everything is saved on your device automatically, including a game in progress. Deleting the app deletes your progress.
How are stars earned?
Three stars for a solve with no mistakes or hints; each mistake or hint costs one star, but you always keep at least one.
Is it free?
Yes. Sudoku Journey is free and supported by ads. Optional rewarded videos give you an extra hint or a second chance when you need one.
How do I change my ad privacy choices?
In the EEA, UK and Switzerland: Settings → Privacy choices. On iOS you can also manage tracking in iOS Settings → Privacy & Security → Tracking.
Which devices are supported?
iPhone and iPad with iOS 26 or later, and Android phones and tablets with Android 12 or later.