American Mensa Brain Test

JUST WHAT HAVE YOU BEEN TRAINING YOUR BRAIN FOR? "It's a fun challenge to do in your spare time. I know I'll be playing this game over and over." - wired.com "If you're going to train your brain using an iPhone game, you're in good hands with Mensa." - The Sunday Times (4/5) #1 Entertainment App in FIFTEEN countries (UK, Ireland, Australia, Norway, Sweden, Denmark, South Africa, Finland, Greece…