Martial Champion (ver EAA) is a regional variant of the arcade fighting game Martial Champion. The "EAA" designation likely points to a specific release version for a certain region or market. Gameplay is likely similar to other versions, focusing on one-on-one combat.  However, the note about "Missing Graphics" on the title screens highlights some issues with this particular version.

Martial Champion (ver EAA)

Mars Matrix (000412 USA Phoenix Edition)