ModNation Racers (Game)

ModNation Racers is a kart racing game developed by United Front Games for the PlayStation 3 and PlayStation Portable. User generated content will be 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. Both versions of the game were released in Mainland Europe on May 19, 2010, the UK on May 21 and North America on May 25. An online beta was made available for the PS3 in the US in December 2009 and in Europe in January 2010.

text source: wikipedia.org