The game is developed by United Front Games and SCE San Diego Studio in conjunction with series creators Media Molecule .
SCE San Diego Studio had previously developed the 2010 user - generated content kart racing game ModNation Racers for the PlayStation 3 .
The game is developed by United Front Games and SCE San Diego Studio , who had previously developed the 2010 user - generated content kart racing game ModNation Racers for the PlayStation 3 , in conjunction with series creators Media Molecule .