Sudoku as you like it.
Play a cooperative game with friends or family, combining your wits to solve even the toughest puzzle. New players can join in the game any time, to give you that boost you need.
Or choose to be competitive, setting various options to make the game as competitive as you like it. Solve more numbers, score more points. Prove you are the best Sudoku player in your gathering. Game supports up to 8 players.
Or choose to play a quiet game by yourself, at your own pace.
However you choose, with thousands of puzzles available, play as much as you like.