Vice: Project Doom, known in Japan as Gun-Dec (ガンデック), is a fast-paced NES game that blends standard platforming with racing sequences and some rail shooter scenes. It involves Detective Quinn Hart of the VICE squad as he attempts to track down his missing partner while stopping the B.E.D.A. Organization from dominating the world with a mysterious and powerful drug.

TaoTao improves on their previous run by nearly 17 seconds thanks to more rigorous optimizations and the use of a newly discovered wallzip glitch for Stage 5-1.