F1 2011 is a Readers' Choice Award-winning video game based on the 2011 season of the Formula One world championship. It is the sequel to the 2010 video game based on the same series. The game was released in September 2011 on the Microsoft Windows, PlayStation 3 and Xbox 360 platforms, November 2011 on the Nintendo 3DS and February 2012 on the PlayStation Vita. It has sold 3.5 million units worldwide. The game engine is based on the new EGO 2.0 engine, an unofficially titled evolution of the EGO 1.5 engine that was created specially for the title.