 The game was less than one year into development, when it was first shown at GDC 2007.Evans remarked that this public approach to the game's development meant they had been able to react to feedback from the community, and the game had been specifically designed to allow them to easily implement further developments in the future, based on demand from players.In the game players can earn an in-game costume of Mr. Yellowhead by completing the last level in the Story Mode without losing a life.