Britannica Sudoku Unlimited

The addictive puzzle game...Britannica-style. Brain-twisting fun for all ages. This is the hottest craze to sweep the globe - Sudoku.

The incredibly addicting numbers puzzle game you've heard about. A game of logic and reasoning with no math skills required. Simple to learn, yet a lifetime to master. There are two modes, 9x9 grids and 4x4 grids. 9x9 is the easiest to learn, but the game is difficult to master. Each puzzle has a unique solution, so you have to be very sure every step of the way. There are hints and you can solve puzzles automatically.