01
Standard
The classic 3×3 grid: pure, focused and endlessly rewarding.
Puzzle quality comes first
Great Sudoku starts with great puzzles.
Every puzzle is individually verified—not only for difficulty, but for a rich, satisfying path from first move to a final solution.
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Individually verifiedTechnique by technique
Familiar rules. New ways to think.
One timeless game.
Remarkable variety.
Change the shape of the grid. Add new regions. Keep the clarity and logic you love.
01 — Grid styles
Start classic.
Then bend the grid.
Two distinct ways to read the same elegant rules.
02
Squiggly
Nine irregular regions transform how you read the board while keeping the rules beautifully familiar.
02 — Extra regions
Even more ways
to play.
Extra constraints create surprising interactions across every board.
01
X
Both diagonals become complete 1 to 9 regions.
02
Hyper
Four extra regions reshape the relationships across the board.
03
Percent
Three added regions form an unmistakable percent pattern.
04
Dot
Nine central positions connect to form one new region.
05
Wheel
A distinctive wheel pattern adds a fresh layer of logic.
06
Color
Matching colors become regions in our most visual variation.
03 — A library for years
45,000+
puzzles across five difficulty levels.
From a calm first grid to puzzles that ask for your sharpest techniques. Every variation has room to grow with you.
04 — Handcrafted Classics
Small works
of logic.
Rediscover some of the finest puzzles in history.
Our special collection honors the handcrafted Japanese puzzles of the 1980s—an era when gifted designers shaped every grid with patience, balance and intent.
05 — Smart Help
A nudge.
Never a giveaway.
Keep thinking—even when you get stuck.
Smart Help analyzes the current puzzle and explains a logical next step. It gets you moving again while helping you become a stronger solver.
06 — Strategy Tutorial
Learn every move.
Master the next.
A complete, progressive tutorial takes you from essential ideas to advanced solving strategies—one clear technique at a time.
07 — Color themes
Make it yours.
Choose the atmosphere that feels best for your eyes and your way of playing.
Standard
Red
Green
Blue
08 — Optional handwriting
Gameplay that can feel like paper.
The keypad is always there. Or turn on handwriting recognition and draw each number directly with your finger or stylus.
Your board. Your preferred way to play.
09 — Backup & Restore
Designed for years.
Not days.
Some players have been with us for more than 15 years. We want every new phone to feel like a continuation—not a restart.
Export your progress to a file you control, move it however you choose, and restore it on your next device. This backup flow does not send your progress to our servers.
Your puzzles. Your progress. Your next phone.
Free on Android
Exceptional puzzles.
A lifetime of play.
More than 45,000 puzzles in a game built to stay with you.
GET IT ONGoogle Play