AlteredOne app for iPhone and iPad

This game will test your brain skills. Its a fun game. You will be shown some random set of images. You have to memorize them. Now they will all be disappeared behind a math question which will be self disappeared in a moment. Then You have to answer the question which is asked to you i.e. Tap that one image which has been changed. The right answer will earn you one point. Wrong answer will end your game. There is timer also. So you have to quickly decide. There are 3 game modes, each having its own difficulties and reaction time.