Rage is a first-person shooter video game developed by id Software. It uses the company's OpenGL based id Tech 5 engine. Released in October 2011, the game was first shown as a tech demo on June 11, 2007 at the Apple Worldwide Developers Conference (WWDC), and was officially announced on August 2, 2007 at QuakeCon. On the same day, a trailer for the game was released by GameTrailers. The game is set in a post-apocalyptic near future, following the impact of the asteroid 99942 Apophis on Earth.