"Spacewalk is a new multiplayer game in which players explore the International Space Station. The game is a free-form game. Spacewalk players take on the roles of astronauts in the International Space Station."
This is a fun Android and Apple app from University College London were players complete a range of games to exercise the brain cells and provide researchers with real, but anonymous data to use in their study.
http://ictmagic.wikispaces.com/Science
A great flash game where players must shoot a ball into a hole and use the magnets to help you. There is lots of science to learn in this game including about magnets, gravity and the orbits of space objects.
http://ictmagic.wikispaces.com/Science