License Plate Math is a fun game you can play on the road as well as on the computer. There is a virtually unlimited number of math puzzles, with 3 ways to play. The 11 levels of difficulty ensure continuing challenge. For ages 9 and up.

An addictive puzzle game where Morrigan, an evil sorceress, has trapped the Goddess and locked away all the seasons. In order to save the world, you must complete a journey through the seasons unlocking 13 seals to restore the world to balance...

This is an excellent tool to generate, play with, and solve Sudoku puzzles on your computer. Will generate an infinite number of genuine Sudokus, and allow you to enter your own pencil marks or will automatically manage them for you.