Complete a easy Sudoku (no hints)
Complete a middle Sudoku (no hints)
Complete a hard Sudoku (no hints)
Complete a easy Sudoku in less than 5 minutes (no hints)
Complete a middle Sudoku in less than 10 minutes (no hints)
Complete a hard Sudoku in 15 minutes or less (no hints)
Reach 10K points
Reach 50K points