NES: Super Mario Bros Series (2), Metal Gear 2, Mega Man Series (2), Ninja Gaiden Series (2), Blaster Master, Guardian Legend, Legend of Zelda series (1), Final Fantasy I, Iron Tank, Top Gun Series (2), Double Dragon Series (2), Battletoads, Bionic Commando, Super Tecmo Bowl, River City Ransom, Super C, Jackal, Golgo 13 series (2), Platoon, Punisher, Radracer Series (1), Metroid.
SNES: Final Fantasy 2 US, Final Fantasy 5 JP, Macross JP, Axelay US, Super Street Fighter 2, Ranma 1/2 JP, Ranma 1/2 Super Battle JP, Secret of Manna, Zelda 3, StarFox, Super Mario Brothers Collection, Contra 3: The Alien Wars, Top Gear 2, Super Metroid.
I remember River City Ransom, that was a sweet ass game. I still remember my favorite skill was acrobatics, somersaulting around the screen was tons of fun.
NES- Super Dodge Ball, River City Ransom, Baseball Stars, Ninja Gaiden series.
SNES- Actraizer series, Alexay, Super Metroid (first time I played the last boss and the metroid came out to save samus I was like "woah!!!!", and of course almost all the square games. Also tetris attack, the best puzzle game ever.