HEATKEYS

Tile Puzzles. A collection of traditional and original sliding tile puzzles.

Mind and Visual Puzzles and Activities that enhance critical, logical,and creative thinking skills, and keep your brain active!

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Play Free Online Games, fun games, puzzle games, action games, sports games, flash games, adventure games, multiplayer games and more

Play top free online games! Rate games, share free games with your friends. Play the games all day long, become a loon for games online. Cartoon games, Zombie games, action games, classic games, bloody games, adventure games, shoot 'm up gam...

77 SPARX builds educational games for infants, babies, toddlers, and young children. We target mobile platforms such as iPhone, iPad, and Androids. Our firs product is 77 CARDS, an interactive flashcard that focus on language development in children.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Brain teasers, puzzles, online games, optical illusions and jigsaws.

UCSD Department of Computer Science and Engineering