More than 70 of classic and new Sudoku designs:
- Different Sudoku types: Classic, Diagonal, Hyper, More-or-Less
- Different Sudoku shapes: Single, Double, Triple, Zigzag and Samurai
- Different Sudoku sizes: 4x4, 6x6, 9x9, 12x12 and 16x16

Compare your results with the results of players from all over the world.

Multiple difficulty levels: from beginners to masters.