Tetris 99 is wildly addictive and loads of fun. For Tetris players new and old, it provides a new challenge unlike any Tetris we’ve ever seen before. The level of multitasking needed to master it is frustratingly difficult to attain, yet so tantalizing within our grasp. In this episode of of Psych of Play we’ll take a look at the cognition behind multitasking, and why it makes Tetris 99 such a frantic yet refreshing experience.