Over 200 by now. But these are just my faves.

WARNING: Incredibly long list ahead.

* = Religiously Devoted

NES

- Super Mario Bros.3
- Tetris 2
- Metroid*
- Dr.Mario
- Mike Tyson's Punch Out!!
- Punch Out!! (original)
- Rescue: The Embassy Mission
- 1942
- The Legend of Zelda*
- Kirby's Adventure
- Castlevania 3: Dracula's Curse*

SNES
- Super Metroid*
- Actraiser*
- Alien 3
- Donkey Kong Country
- Super Mario World
- Arkanoid
- Super Castlevania 4*

N64

- Poke'mon Snap
- Mario Kart 64
- South Park
- The Legend of Zelda: Ocarina of Time*
- The Legend of Zelda: Majora's Mask*
- DOOM 64
- Turok
- Turok 2:Seeds of Evil
- Conker's Bad Furday*
- Perfect Dark
- 007 Goldeneye
- Yoshi's Story
- Donkey Kong 64
- Cruisin' USA
- Super Mario 64
- Kirby and the Crystal Shards

PS1
- Dino Crisis
- Nightmare Creatures
- Alien Trilogy
- Legacy of Kain: Soul Reaver*
- Gran Turismo
- Spyro the Dragon*
- Spyro2: Ripto's Rage!*
- Spyro: Year of the Dragon*
- Tekken
- Incredible Crisis
- Oddworld: Abes Oddysee*
- Oddworld: Abes Exoddus*
- GTA
- GTA2
- Castlevania: Symphony of The Night*
- Silent Hill*

GameCube
- Metroid Prime*
- Metroid Prime 2: Echoes*
- The Legend of Zelda: Wind Waker *

PS2
- True Crime: NYC
- True Crime: Streets of LA
- Twisted Metal: Black
- Project Eden
- Legacy of Kain: Soul Reaver 2*
- Legacy of Kain: Defiance*
- Bully
- GTA 3
- GTA Vice City
- GTA San Andreas
- God Of War
- God Of War 2
- Destroy all Humans
- Destroy all Humans 2
- Silent Hill 2*
- Silent Hill 3*
- Silent Hill 4: The Room*
- Pa Rappa The Rapper 2

X-Box
- Taito Legends
- Legacy of Kain: Blood Omen 2*
- Jet Set Radio Future
- Oddworld: Munch's Oddysee*
- Oddworld: Stranger's Wrath*
- Halo
- Halo2
- Doom 3

X-Box 360
- Dead Space
- Gears Of War
- Halo 3
- Beautiful Katamari
- GTA 4: The Lost and the Damned

PS3
- The Orange Box
- Assasin's Creed*
- FEAR
- GTA 4*

Wii
- Super Paper Mario
- Super Smash Bros. Brawl
- The House of the Dead: Overkill
- Okami*
- The Legend of Zelda: Twilight Princess*
- Super Mario Galaxy

Fart. Smell it. Taste it. Now write three paragraphs describing the experience in painful detail. Put it through philosophical and symbolic analysis. That's me. *tips non existent hat*