QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Algodoo - Algodoo is a 2D simulator freeware product designed as a physics learning tool. It was originally created by Emil Emerfeldt as part of his master’s thesis in 2008. Read more about Algodoo.
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
SimPhy - Interactive 2D & 3D Physics simulation software
Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax
Physion - Physics Simulation Sandbox