Most of the soundtrack is derived from the game Abuse, although it includes some tracks by Nick Baker and James Paddock. UAC Ultra originally started in late 2008 as a personal experiment by Jon Vail to determine the likelihood that amateurish basic maps could be made to appear beautiful simply by using an assortment of brown textures. The project was abandoned after completing 4 maps and being unsatisfied with the results. The project was revived (though not necessarily with the same intentions) when Jon Vail, who had been a fan of Jamie's mapping, and vice versa had introduced the idea of working together on a doom mapping project after the two had noticed common similarities between their mapping. In polite conversation, Jamie had mentioned that he had been interested in making maps wit