At first glance, the buttonless iPhone doesn't seem like the most suitable device for playing platform games.
But as the system has matured, and developers have tried new control methods and fresh ideas, the humble run 'n' jump has gradually seeped its way onto the App Store.
iTunes is now bursting with platformers, with titles that echo Super Mario and Sonic, try their hand at masochistic horrors like Super Meat Boy, or resemble more puzzle-orientated treats like The Lost Vikings.
We've picked out the best of the bunch, with this guide to the best platformers on iOS. Disagree? Let us know your favourites in the comments below.