Your name:
To join a public game where anyone can play the same puzzle:
To create a new private game, where you can invite your friends to play with you:
To join an existing private room, enter the ID your host has given you here:
Coop Sudoku is a Sudoku game site, where you and your friends work together to complete the same puzzle. You get points for correct guesses and are placed on a short timeout if you make a wrong guess. Once the Sudoku puzzle is complete, the winner is declared and a new puzzle is automatically created for you.