Andoku Sudoku 3
Puzzle
1 Million+ installs
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- CategoryPuzzle
- PlatformAndroid
- DeveloperMarkus Wiederkehr
- In-app PurchasesYes
- Installs1 Million+
- Updated2026-10-02
- Size8 M
- Version1.9.9.1
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Editor's Review
Developed by Markus Wiederkehr, Andoku Sudoku 3 is a puzzle game available on Google Play. The developer sums it up as: "Free Sudoku brain game — 20,000+ logic puzzles, easy to expert." So far it has been installed 1 Million+ times and carries a 4.6-star average (56.6K ratings). The latest version (1.9.9.1) was released on 2026-10-02, so the game is still being actively updated. Good to know: it offers optional in-app purchases and needs about 8 MB of storage.
How To Play?
light and dark themes with a customizable accent color
unlimited undo and redo
pencil-mark notes with automatic candidate computation
hints that point out and explain the next logical move
optional error checking
Google Play
Description
Andoku Sudoku 3 is a classic Sudoku number puzzle game for smartphones and tablets. Train your brain with thousands of logic puzzles, carefully graded across nine difficulty levels — from very easy to very hard, and playable offline.
Features
✔ light and dark themes with a customizable accent color
✔ unlimited undo and redo
✔ pencil-mark notes with automatic candidate computation
✔ hints that point out and explain the next logical move
✔ optional error checking
✔ bookmarks to save and return to earlier positions
✔ many game variations
✔ nine difficulty levels
✔ cloud synchronization across devices
✔ capture puzzles with your camera
✔ enter your own Sudoku puzzles
✔ share puzzles with friends
✔ detailed game statistics
Game variations
Beyond classic Sudoku, Andoku Sudoku 3 includes a wide range of variants. Each adds extra regions that must also contain the digits 1 to 9:
• X Sudoku — the two main diagonals
• Hyper Sudoku — four extra inner boxes
• Percent Sudoku — two extra boxes and a diagonal, arranged like a "%" sign
• Center Dot Sudoku — the center cell of every box
• Asterisk Sudoku — nine cells in a star pattern
• Color Sudoku — nine colored groups of cells
Every variant is also available as a Jigsaw Sudoku, where the nine 3×3 boxes are replaced by irregularly shaped regions — for an extra challenge.
Tutorials
Read more
Andoku Sudoku 3 comes with tutorials that teach you a wide range of solving techniques. Using real game situations, they walk you through each technique step by step. The techniques are ordered by difficulty, from very simple (Introduction, Hidden Single) all the way to advanced (XY-Chain, Sashimi Swordfish). Hints Stuck on a puzzle? Ask for a hint. Andoku Sudoku 3 points out the next logical move and explains the technique behind it — the same techniques covered in the tutorials. Enter your own puzzles Want to solve the Sudoku from your local newspaper or puzzle book on your phone? Just point your camera at the printed puzzle and Andoku Sudoku 3 reads it for you — or type it in by hand. Cloud synchronization Save your progress to the cloud and sync games across your devices. Start a puzzle on your phone and pick it up later on your tablet — right where you left off.Screenshots
4.6
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