temple run is a video game made by imangi studios. right now it is for ios systems, which the iphone and the ipad use, and the android system for mobile phones. in the itunes store, it has been in the top 50 most-downloaded apps in december 2011, and also became the number 1 free ios app. it has went to the position of the top moneymaking ios app. the game itself used to be 99 cents, but now it relies on players purchasing in-game coins, while the game itself is free.