Wait, are we only counting the ones without the help of a Game Gene or similar device? 
Oh, all right…
NES: Double Dragon 1 & 2, Mega Man 1 & 2, The Legend of Zelda, Ducktales, Mike Tyson’s Punch-Out, Blaster Master, The Adventures of Bayou Billy.
Super NES: Uhhhh…WWF Wrestlemania Arcade…The Combatribes…Final Fight 3, I guess…and that other sidescrolling beat 'em up…and that other other sidescrolling beat 'em up…
Neo Geo: Sengoku…uh…Baseball Stars? Look, I was a damn paperboy at the time, it’s not like I could afford a well-stocked library.
Neo Geo CD: Aggressors of Dark Kombat. (Yeesh, you think your fighting game is broken…)
Playstation: Tonka Space Station. Hey, getting the wrench timing on those comet levels was tricky, shut up!
Dreamcast: Power Stone 2 or…Codebreaker…Codebreaker, Codebreaker…yeah, I’m going with Power Stone 2.
Playstation 2: I’m certain there was something!
Playstation 3: Deadstorm Pirates. At least I think I finished it. Most of my memories of that one are getting nailed by something every three seconds.
Playstation 4: Assassin’s Creed Unity, may it burn in Hell.