Challenge friends, join live rooms, and feel the rush of collaborative puzzle-solving. Every number placed, every row completed — shared in real time.
Why Social Sudoku
Create or join a puzzle room in seconds. Watch your friends' cursors move and cells light up as everyone solves together, live.
Divide into teams, race to complete your half first, or cooperate on expert-level puzzles that take a village to crack.
A fair, competitive ranking system tracks your puzzle speed and accuracy. Climb the global leaderboard solo or as a team.
Hint, celebrate, strategize — a built-in chat that keeps the social in Social Sudoku. No app-switching required.
Every day, a new global puzzle drops at midnight. Compete against the entire Social Sudoku community and share your time.
Play in your browser on desktop or mobile. Your games, rooms, and ratings sync instantly across all your devices.
Simple to start
Sign up free — just a username and you're in. No credit card, no noise.
Create a private room or browse public ones. Pick Easy through Expert.
Share a link. Friends join instantly — no download, no signup required.
Fill the grid in real time. Celebrate when that last cell snaps into place.
Join 230,000+ players. Free to play, forever.
Create Your Room →