Flex Sudoku

Challenge yourself by playing more complex version of sudoku. You can try the classic 9x9, or more complex 16x16 or 25x25. You can even try 4x4 version for fun.

Here is what you can do with the game:

1. Play classic, 16x16, 25x25 or 4x4 size sudoku game.
2. Play by loading thousands of built in games or enter your own game.
3. Choose the degree of difficulty of these games.
4. A sudoku solver is built in and can be used for solving any game you are playing.
5. Enter Notes while solving the game or using mutliple levels of hints to help you with the game.
6. Keep track of number of games played, minimum, maximum and average time to complete the game.