CSR Racing is a free-to-play drag-racing game by Boss Alien and NaturalMotion Games. In the game, the player takes the role of a new racer looking to make a name for him/herself in a deserted city ruled by five racing "crews".CSR Racing was first shown on stage at the Apple Worldwide Developers Conference (WWDC) on June 11, 2012 and was released on the Apple App Store on June 28.