Street Fighter EX is a head-to-head fighting game with 3D graphics, originally released as a coin-operated arcade game for the Sony ZN hardware in 1996. It is a spin-off of the Street Fighter series co-produced by Capcom with Arika and was the first game in the series to feature polygon graphics. It was followed by an updated arcade version titled Street Fighter EX Plus, as well as a PlayStation-exclusive home version titled Street Fighter EX Plus α, both released in 1997. Source: Wikipedia, "Street Fighter EX," available under the CC-BY-SA License.