Popular games published by company Tux4Kids

Tux Typing is a free and open source typing tutor created especially for children. It features several different types of game play, at a variety of difficulty levels. It is designed to be fun and to improve words per minute speed of typists.

“Tux, of Math Command” lets kids hone their arithmetic skills while they defend penguins from incoming comets, or offers them a chance to explore the asteroid belt with only their factoring abilities to bring them through safely!