Street Fighter EX2 is a 2D head-to-head fighting game with 3D graphics, co-produced by Capcom and Arika originally released in 1998 as a coin operated arcade game for the Sony ZN-2 hardware. It is a sequel to the original Street Fighter EX, a 3D spinoff of the Street Fighter series. An updated version of the game titled Street Fighter EX2 Plus was released in 1999 for the arcades as well and subsequently ported to the PlayStation. It was followed by Street Fighter EX3. Source: Wikipedia, "Street Fighter EX2," available under the CC-BY-SA License.