ModNation Racers is a kart racing game developed by United Front Games for the PlayStation 3 and PlayStation Portable. User generated content is a central aspect of the game, such that it uses the same "Play, Create, Share." adage as LittleBigPlanet to convey its basis in online user-generated content sharing and level creation tools. ModNation Racers for PlayStation 3 was announced and first shown publicly at E3 2009.The PSP version was announced in February 2010.