Sudoku: Champions Challenge & Global Leaderboards!
Join the ultimate Sudoku adventure with Sudoku by Volcano! Compete in the exclusive Champions Challenge and climb global leaderboards to prove you're the world's top Sudoku master! This free puzzle game is perfect for relaxing, training your brain, and challenging your logic skills. Whether you're a Sudoku beginner or an expert, our classic Sudoku offers endless fun for all.

Why Play Sudoku by Volcano?

Champions Challenge: Battle players worldwide in thrilling daily Sudoku competitions. Win rewards and earn bragging rights as a Sudoku champion!
Global Leaderboards: Track your rank against millions of players and aim for the top spot in our global Sudoku rankings.
8 Difficulty Levels: From easy Sudoku to extreme Sudoku, find your perfect challenge.
Sudoku Variations: Explore unique twists like Squiggly, X, and Color Sudoku puzzles.
Smart Hint System: Learn how to solve Sudoku with step-by-step guidance, animations, and colorful visuals—great for Sudoku kids and pros.
Custom Puzzles: Create your own Sudoku puzzles or import from paper.
Over 15,000 Free Puzzles: Endless Sudoku games to keep your mind sharp.
Game Features for a Fun Experience:

Auto-highlighted numbers for smarter hints.
Pencil marks and error-checking tools.
Unlimited undo/redo for stress-free play.
Dark Mode to protect your eyes at night.
Offline Sudoku: Play anywhere, no internet needed.
Share your Champions Challenge victories via Twitter or Facebook.
Auto-save to pause and resume without losing progress.
Fun visuals and numerals like Chinese numbers.
Go Ad-Free with Premium Access:

Enjoy Sudoku without ads and unlock exclusive features with Premium Access for a seamless puzzle-solving experience.

Train Your Brain & Compete Globally:

Dive into the Champions Challenge and global leaderboards for a mindsport thrill. With stunning designs and intuitive gameplay, Sudoku by Volcano is the ultimate logic puzzle game to boost your brainpower.

Download Now for FREE and start dominating the Champions Challenge today! Share your feedback to help us make the best Sudoku app even better.