Colorcube - Turn pieces and blend colors in this minimal puzzler
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Rubek - Rubek is a Single-player and Puzzle video game that is brought to you by Xigma Games.
Buzz! The Big Quiz - Buzz! The Big Quiz is a Trivia, Party, Single and Multiplayer video game developed by Relentless Software and published by Sony Computer Entertainment.
Speedcube - A simple and elegant Rubik's cube solve timer
Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.