Sudoku Rethink

Studio Rethink

Contains adsIn-app purchases

About this game

Step into a growing universe of handcrafted Sudoku at scale, built for players who want far more than classic 9×9. Explore 36+ Sudoku variants and 18+ base game types (including multi-grid formations), all designed to feel fresh, fair, and deeply satisfying.

Whether you’re here for a quick daily puzzle or a marathon of mind-bending logic, you’ll find a carefully curated experience—big boards included, intentionally capped at 36×36 for the best performance and playability.


Why you’ll love it:
- A massive Sudoku library: 36+ variants and growing
- 18+ base game types: multi-grid formations and creative layouts
- The largest curated Sudoku collections: always something new to solve with 5,000+ pre-designed puzzles plus unlimited custom boards
- Equipped with a state-of-the-art AI-guided solver to help you learn and improve
- Sync your progress across devices so you never lose your journey
- Leaderboards: compete, climb, and track your improvement
- Personalize everything: themes with a wide range of colors
- Optional static or dynamic backgrounds: make the game feel like yours
- Beyond 9×9: play bigger and more complex boards (up to 36×36)


Base Game (Multi-Grid) Types Included:
Classic, Twins, Samurai, Jigsaw, Jigsaw-Split, Staircase, Doku, Sohei, Kazaguruma, Gattai, Monster, Imperial, Flower, Butterfly, Cross, Shogun, Colossus, Twisted.


Sudoku Variants Included (and growing):
Classic, Samurai, Jigsaw, Killer, Thermo, Slow Thermo, Arrow, Climb, Between Lines, Diagonal, Windoku, Even-Odd, Greater-than, Kropki, XV, X-Sum, Sandwich, Skyscraper, Renban, Palindrome, Non Consecutive, Consecutive, Junction, Echo, Zippers, Sling Shot, Pairs, Quadruple, Universal, Chess King, Chess Knight, Bishop, Dutch Whispers, German Whispers, Lockout Lines, Little Unique Killer, Running Cells… and more.


Built for every kind of Sudoku player
- New to variants? Start with Classic, then level up into Thermo, Arrow, XV, Whispers, Kropki, and more.

- Love big challenges? Multi-grid formations and larger boards bring marathon-level solving.


Ways to Play
- At the heart of the game are Categories—distinct puzzle types and variants. You can experience these Categories through four unique game modes:
- Journey: Tackle story-driven, goal-oriented gauntlets with a strict deadline and no assists.
- Sudoku Plus: Enjoy curated collections of standardized puzzles ranging from easy to challenging.
- Daily Challenges: Play unique puzzles that use AI to adapt to your skill level and style.
- Custom Games: Build your own experience, choosing everything from grid size to difficulty rules.


Download now and join a Sudoku experience that keeps expanding—more variants, more game types, more handcrafted puzzles, and a design you can truly make your own.

What’s new

🚀 Better Support: We’ve fixed crashes for older Android devices so more players can join the fun!

☁️ More Robust Sync: We’ve improved Cloud Sync reliability for a smoother experience.

🧠 Learn to Play: New help sections added to guide you through different Sudoku variants.