In the midst of the show's runaway success, Acclaim started development on a first-person shooter based on the series for the Nintendo 64, PlayStation, PC and a 2D Platformer for the Game Boy Color. The game was fully developed and prepared for shipment. However, days before being sent to Nintendo, South Park creators Trey Parker and Matt Stone discussed that the Game Boy Color was marketed more towards children, and the GBC version went unreleased. Parker and Stone later kept the prototype copies in commemoration of it being the first South Park game ever. The game was later reprogrammed and released as Maya The Bee in Europe and The New Adventures of Mary Kate and Ashley in the United States. The sprites of the boys can be found in the Maya The Bee ROM.On August 6, 2018, The ROM of the game was dumped and has been posted by "DaKoolDood" on the LostMediaWiki Discord server, after months of contact with the head developer of the game and was been leaked online.
- South Park (GBC) on Unseen 64. Retrieved April 17, 2015.