Sudoku Champion: Online Battle

Sudoku Champion — the sudoku game where you don't just solve, you battle.

Race real opponents in live multiplayer, sabotage them with attacks, defend with shields, and climb weekly tournaments and monthly leagues. Or slow down with 1000+ handcrafted solo puzzles across six variants. One app, both worlds.

⚔️ Live multiplayer battles
• Speed Race — same puzzle, first to finish wins
• Blitz — 3-minute clock, most progress wins
• Survival — one mistake and you're out
• Team Showdown — 2v2 on a shared board
• Classic Duel — pure racing, no attacks

🛡️ Attacks & shields
• Block your opponent's input for 5 seconds
• Fog of War hides their entries
• Scramble shuffles their keypad
• Shields absorb the next hit — time them well
• Play against the world, friends in private rooms, or smart AI rivals

🏆 Compete every day
• Daily Challenge with streak rewards
• Weekly tournaments and monthly leagues with coin prizes
• Global leaderboards: fastest times and season points

🧩 Six solo variants
• Classic 9×9 • X-Sudoku • Jigsaw • Killer • Mini 6×6 • Mini 4×4
• Five difficulties from Easy to Master
• Zen mode and guided practice for learning

🧠 Brain Meter
Track your Speed, Accuracy, Consistency and Logic with a score that grows as you play — plus 50+ achievements to unlock.

💡 Smart and comfortable
• Hints, pencil notes, unlimited undo
• Auto-save, cloud sync, offline play
• Optional error highlighting, dark mode, themes
• Phones, tablets and Chromebooks