Before I even bother with a list, just go to arcadepunks.com and thank me later.
Here's the list anyway.
NES:
Contra, Super C, Jackal, Silkworm, River City Ransom, Double Dragon II, Chip ‘N Dale Rescue Rangers 1 and 2, Bubble Bobble, Snow Brothers, Life Force, Little Ninja Brothers, TMNT 2 and 3, Ikari Warriors 1 and 2 (if you can stand the slow walking pace)
Genesis:
Streets of Rage 1,2 and 3. Gunstar Heroes, TMNT: The Hyperstone Heist, Ren and Stimpy: Stimpy's Invention, Contra Hard Corps, The Punisher, X-Men, X-Men 2: Clone Wars, World of Illusion Starring Mickey Mouse and Donald Duck, The Great Circus Mystery Starring Mickey & Minnie, Golden Axe 1,2 and 3. Altered Beast, Captain America and the Avengers, The Chaos Engine, Forgotten Worlds, Biohazard Battle, Vapor Trail: Hyper Offence Formation
SNES:
Contra III, The King of Dragons, Pocky and Rocky 1 and 2, Wild Guns, The Legend of the Mystical Ninja, Doom Troopers, Battletoads and Double Dragon, ToeJam and Earl 1 and 2, Kirby's Dreamland 3, Kirby's Dream Course, Final Fight 2 and 3, The Peace Keepers, The Pirates of Dark Water, Run Saber, Joe and Mac 2, Jurassic Park 2, Smash TV, Total Carnage, The Adventures of Batman & Robin, Goof Troop, Biker Mice from Mars (not co-op, but pretty fun anyway), Sunset Riders
Sega Saturn:
Guardian Heroes
Before I even bother with a list, just go to arcadepunks.com and thank me later.
Here's the list anyway.
NES:
Contra, Super C, Jackal, Silkworm, River City Ransom, Double Dragon II, Chip ‘N Dale Rescue Rangers 1 and 2, Bubble Bobble, Snow Brothers, Life Force, Little Ninja Brothers, TMNT 2 and 3, Ikari Warriors 1 and 2 (if you can stand the slow walking pace)
Genesis:
Streets of Rage 1,2 and 3. Gunstar Heroes, TMNT: The Hyperstone Heist, Ren and Stimpy: Stimpy's Invention, Contra Hard Corps, The Punisher, X-Men, X-Men 2: Clone Wars, World of Illusion Starring Mickey Mouse and Donald Duck, The Great Circus Mystery Starring Mickey & Minnie, Golden Axe 1,2 and 3. Altered Beast, Captain America and the Avengers, The Chaos Engine, Forgotten Worlds, Biohazard Battle, Vapor Trail: Hyper Offence Formation
SNES:
Contra III, The King of Dragons, Pocky and Rocky 1 and 2, Wild Guns, The Legend of the Mystical Ninja, Doom Troopers, Battletoads and Double Dragon, ToeJam and Earl 1 and 2, Kirby's Dreamland 3, Kirby's Dream Course, Final Fight 2 and 3, The Peace Keepers, The Pirates of Dark Water, Run Saber, Joe and Mac 2, Jurassic Park 2, Smash TV, Total Carnage, The Adventures of Batman & Robin, Goof Troop, Biker Mice from Mars (not co-op, but pretty fun anyway)
Sega Saturn:
Guardian Heroes