 The game levels were developed on a level editor on the PlayStation Portable , but Zoë Mode were not able to refine the editor in time for shipping . Mottram said " It would be great to see user generated content and this is something we have been seriously thinking about for the future " and that downloadable content " would work perfectly with the Crush level structure and I am sure that fans of the game would be eager to see more levels . " Mottram has stated they would like to market a sequel based on the highly positive feedback they had received ; however , with other Zoë Mode projects such as <unk> and Play taking precedence , he does not know when this could be . 
