I am happy to announce the addition of the Sudoku board types 4x4, 6x6, 8x8, 12x12, 16x16, 20x20, and 25x25! Took quite a bit of work to get the system fully operational and ready for you to have fun. I am currently building additional boards with different difficulty levels to provide you with even more variety.
I have also modified the menu puzzle drop down to make it a little bit easier to find what type of Sudoku puzzle you are looking for with a quick difficulty selector without having to go into advanced options.
Take a second and play one of the new boards at PlanetSudoku.com.