STROOP! - Concentration Test
Play one of the hardest games on the market called STROOP! which is a game that is based on the Stroop effect. This game tests the brains capacity to differentiate and eliminate colors that do not match their text. Get a high score and show it off to all your friends to prove that your brain is the sharpest!
Compare scores with friends using the new Facebook Leaderboard! Beat your friends scores as well as scores of different users around the world!