3dfx was a pioneering consumer computer graphics company best known for its Voodoo Graphics accelerators for PCs. Their graphics products also found their way into popular arcade games such as San Francisco Rush and NFL Blitz. 3dfx’s cards and their Glide API were arguably the most popular and important products of their era. Despite their early dominance in the computer graphics industry, 3dfx went from industry leader to bankruptcy in just a few years’ span. In this oral history, the four original co-founders discuss the history of 3dfx, lessons learned, and anecdotes from their careers in technology.