The challenge is to complete each level in a limited time window. It gets harder as you advance through the game.
Sudoku licensed from dkmsoftware.com. Classic daily Sudoku puzzle game developed by dkmsoftware.com. Four difficulties – four daily puzzles!
Another great set of chain Sudoku puzzles developed by Conceptis Puzzles.
3 levels of difficulty plus a custom mode to choose your own random puzzle with a level of difficulty of your choice.
Three classic Sudoku puzzles with very good graphics. Three difficulties to choose from: easy, medium, and hard.