Fully tested and working. PCB cartridge (see images). Fully JAMMA compatible, use with supergun or JAMMA cabinet."Kaiser Knuckle follows the same fighting game conventions established by Street Fighter II. The player's character fights against his or her opponent in best two-out-of-three matches in a single player tournament mode with the computer or against another human player. The player has a character roster of nine fighters to choose from, and three bosses, each with their own unique fighting style and special techniques." -Source: wikipedia