X-Men: One Nation, Under Magneto

X-Men: One Nation, Under Magneto is a fighting/adventure game released in 1996 for the PlayStation, SEGA Saturn and PC. It's based on the X-Men animated series of the same name and features characters as portrayed in that adaptation, along with cameos from other Marvel characters. The game was produced by Radical Entertainment and Cor-Son Games and published by Eidos Interactive.