Built for the puzzle. Shaped by how serious solvers actually play.
Compete against players worldwide in live Sudoku matches. See opponent progress updates in real-time.
Use pencil mode to mark possible values. Perfect for tracking candidates on difficult puzzles.
Get help when you are stuck. Hints reveal the correct number for the selected cell — each one costs prestige, so use them with intent.
Make up to 3 mistakes per puzzle. Error checking helps you learn without giving away the answer.
Your game saves automatically. Resume anytime from where you left off.
See how you rank against other players in real-time during competitive matches.
Chat with other players in Squad Rooms. Coordinate, celebrate, or challenge each other.
Every competitive solve earns prestige. Your tier reflects your total prestige — a direct, permanent record of your competitive history.
Build your streak with daily, weekly, and monthly challenges. Same puzzle, same day for everyone.