#5 LocoRoco / LocoRoco 2

For: PSP

Physical Effort Required: Not much

Mental Energy Required: Medium

Similarly to the way several video games for the iPhone are played, in the LocoRoco games, tilting is really the only thing you do to get through levels.

But instead of using the iPhone’s accelerometer to tilt the phone itself, you move your LocoRocos by pressing buttons on the PSP to tip the world, which causes gravity to propel those cute gelatinous singing balls through levels. The only other thing you have to worry about while playing the game is jumping. If you’ve never played LocoRoco or its sequel, you’re missing out on some of the best simple pleasures the PSP has to offer.