NES:
Super Mario Bros.
Super Mario Bros. 3
Tetris
Excite-bike
California Games
Any Zelda

SNES:
Any Zelda
Mario (Super Mario World? I'm so drawing a blank right now)
Donkey Kong COuntry

Genesis:
:dunno:

N64:
Mario 64
Zelda Ocarina of Time
Zelda: Majora's Mask
Mario 64
Super Smash Brothers
Mario Kart 64

PS1&2
All Final Fantasy available.
Kingdom Hearts
Xenosaga
hack.com
Tetris
Resident Evil
Gran Turismo 1 2 & 3
GTA 3
GTA Vice City
Soul Reaver
Chrono Cross
Lunar 2: Eternal Blue


That's all I can think of.. I need to rumage through my games to remember more.