Alien 3 by Acclaim is a one-player action/adventure game that looks and plays entirely Alien 3 for the SNES is highly original, enough to please even jaded.
Alien3: The Gun (World) ROM
CoolROM.com's game information and ROM download page for Alien3 : The Gun (World) (MAME).
A light gun shooter on rails released in arcades. This unit would support two-player co-op play.