Love this thread!

N64: DK64
PS1: A Spyro game (can't remember wich one I played tho, I was rly young)
GC: Metroid Prime 2: Echoes
Wii: Skyward Sword
PS3: Uncharted 2

Game Boy: Pokémon Blue
Game Boy color: Pokémon Gold
Game Boy advance: Golden Sun
Nintendo DS: Barely played anything on the system due to lack of time, I think the only game I srsly played was Metroid Prime Hunters... :S
PsP: Same as DS, the game I played the most tho was smackdown vs raw 2009
Nintendo 3DS: Kid Icarus: Uprising

PC: Warcraft 3: The Frozen Throne

NES - Blades of Steel...
Genesis - Sonic 3 & Knuckles...
SNES - either Chrono Trigger, FFVI, DKC2, or DKC3...
N64 - Ocarina of Time...
PS - probably Syphon Filter...
GC - Eternal Darkness...
Wii - Xenoblade (quite possibly my new all-time favorite game)...
PS3 - Dead Space...
PC - Portal or Amnesia...
GB - Pokemon Red/Blue/Yellow...
GBC - either Pokemon Gold/Silver or Link's Awakening DX...
GBA - Mario Kart: Super Circuit...
DS - either 999, NSMB, or Phantom Hourglass...
3DS - probably Resident Evil: Revelations or Kid Icarus: Uprising, or maybe Heroes of Ruin...

Atari2600-E.T.
NES-SMB3
Genesis-Mortal Kombat
Gameboy-Tetris
SNES-DKC
Sega CD-Dracula Unleashed
Saturn-Nights
N64-Ocarina Of Time
Playstation-Resident Evil
Gameboy Advanced-Castlevania COTM
Dreamcast-NFL 2k1
PS2-FFX
Xbox-Halo 2
Gamecube-Animal Crossing
DS-NSMB
Xbox 360-Halo 3
PS3-Heavenly Sword
Wii-Animal Crossing CF

SNES: Killer Instinct
PS1: Crash Team Racing
PS2: Resident Evil 4
PSP: Crisis Core: Final Fantasy VII
PS3: Uncharted 2 (That single-player had an unforgivable impact)
PSV: Gravity Rush

N64: SM64

NES: Super Mario World

SNES: Zelda(forgot what one)

Gameboy Pocket: Pokemon Blue

Gameboy Color: Pokemon Silver/Crystal

Gameboy Advance/SP: Golden Sun/Final Fantasy Tactics Advance/Fire Emblem(and Sacred Stones)

DS: SM64DS or Mario Kart DS

Gamecube: Super Smash Bros. Melee.

Wii: Super Smash Bros. Brawl

PS1: Legend of Dragoon

PS2: Final Fantasy 12.

PS3: Dark Souls/Demon Souls/Borderlands 2

Xbox: Halo 2

Xbox 360: Halo 3

PC: Diablo 2 or World of Warcraft pre-cataclysm.

SNES: Earthbound

N64: LoZ : OoT

GC: Tales of Symphonia (Fav game of all time)

Wii: Xenoblade

PS1: Xenogears

PS2: FFX

GB: Pokemon Red

GBC: LoZ: Oracle of Ages

GBA: Mother 3

DS; Castlevania: Portrait of Ruin

PSP: Star Ocean 2

Gameboy color: Pokemon blue
Nintendo 64: Goldeneye
PS1: GtAII
GC: Fire emblem: PoR
GBA: Megaman BN 3
PS2: Kingdom Hearts II
DS: Pokemon Plat
WII: Fire emblem: RD
Ps3: Infamous
PC: SC2
3DS: Pokemon white *so far*

PSP: Kingdom Hearts: BBS

oh crap how could i forget that i actually had BOTH Oracle games for GBC.
GBC. Oracle of seasons

Xbox - Simpsons Hit and Run
DS - Pokemon Pearl
Wii - Dead Rising: Chop till you drop
PS3 - Mass Effect 2
PSP - God of War Chains of Olympus

There were a lot of good games on the original Xbox but I am am big simpsons fan so hit and run takes the cake.

NES: Super Mario Bros
SNES: Super Mario Bros 3
PS1: Crash Bandicoot 3
Sega Genisis: Sonic
Gameboy: Porkemon Crystal/Zelda Oracle of Seasons
Gameboy Advance/SP: Pokemon Saphire/Zelda Minish Cap
N64: Paper Mario
Sega Dreamcast: Sonic Adventures 3/Fur Fighters
PS2:Grand Theft Auto Vice City
Gamecube: Mario Kart Double Dash
XBOX: Halo 2
PS3: Metal Gear Solid 4
Wii: Skyward Sword
X360: Gears of War
DS: Pokemon White
3DS: Kid Icarus
PSP: Metal Gear Solid: Peace Walker