Half-Life 2
DooM
Duke Nukem 3D
Left 4 Dead
Resident Evil 4

Mkay these are not video games, but hey- you didn't specify!
Blackjack
Backgammon
Scrabble

Dark Cloud
Dark Cloud 2
Fallout 3
Fallout:New Vegas
Tales of Symphonia
Half Life Games
Dead Rising 2
Just Cause 2
GTA4
Killing Floor
World of Warcraft
Rift

Halo
Halo 2
Halo 3
Halo Reach
Halo Wars
League of Legends
Battleball (Board Game)
Battleship (Board Game)
Red Faction: Guerrilla
Homeworld 2
Starcraft + Expansion
Starcraft II
Super Mario
Sonic the Hedgehog
I CAN GO ON FOREVER!!!!

I plan on going to college for Game Development, Computer Science, and Computer Engineering. Games are my love.

All Call of Duty Games
GTA IV
Duke Nukem
Red Dead Redemption
BFBC2
Borderlands
Fallout 3
Fallout: New Vegas

Out of all of these games, Black Ops is my favorite!!!

Sly Cooper
Pokemon
Minecraft

minecraft
cod
left 4 dead
peggle
league of legends
counter strike: source
final fantasy series
smack down vs raw series
kingdom hearts

Borderlands
Dead Rising series
Killzone series
COD Nazi Zombies
MGS4
Bioshock
Burnout Paradise, Fallout 3

Ah I forgot the Fallout series, how the hell could I forget FALLOUT!?!?!?! I have disgraced my family, my country, and the emperor.

Halo PC/CE (Not H2V or any console versions)
TES IV: Oblivion
The Ultimate Doom/Doom II/Final Doom/Doom 3
Super Mario 64
Donkey Kong Country (for SNES)
Both N64 Zelda games
Pretty much ANY rts game (Like C&C)
Splinter Cell (First 3 only)
Metroid (for GBA)
I'll post more if I think of them.

Crash Bandicoot.
Ratchet and Clank.
FIFA.
Assassin's Creed.
Call of Duty.

You need nothing else.
Except air. Air helps.
Oh, and a console.

In no specific order, because it's hard for me to think right now:

Resident Evil 4
Gears of War series
Bioshock
TES IV: Oblivion
Fire Emblem: Path of Radiance
Fallout 3
Pokemon Gold Version
Metroid Prime
The Legend of Zelda: Wind Waker
Super Smash Bros. Melee
God of War series
Uncharted series
Assassin's Creed series
Chibi-Robo (one of the best haha)
Ratchet and Clank series
Super Mario 64 DS

and more that I can't think of right now.

[EDIT]

Mass Effect 1 and 2 (played 1 on 360 and 2 on ps3)
Tales of Symphonia! How could I have forgotten this game? Has to be one of my absolute favorites! Put sooo much time into it!
Red Dead Redemption
And out of all the COD games, Black Ops is my favorite because of the story.

Dead Space 2
God of War games
Bioshock
Dead Rising games

fallout 3
just cause 2
halo series (except halo wars)
borderlands
minecraft
starcraft
age of empires 2 + expansion
Unreal Tournament (the one that came out in 1999)
mass effect 1 & 2
Left 4 Dead 1 & 2
GTA series
splinter cell games
Hidden & Dangerous 1 & 2 (WW2 action/strategy)
call of duty 1-4
Black

can't think of any more

are*

Ah I forgot Red Dead Redemption

Zuma Blitz on facebook.

all the marios :)

the halo saga, tetris, portal, gta4, carckdown 1 and 2, prototype, battlefield bad company 2, moderwarfare 2, split second, bomberman, mortal combat, killer instinct, conkers bad fur day and conkers live and reloaded, medal of honor, mirrors edge, forza 2 and 3, guitar hero 3, twisted metal, (need for speed hot pursuit most wanted, under cover). burnout paradise, pure, mx vs atv untamed, toss the turtle, the worlds hardest game, boom boom rocket, all marios, donkey kong country and 64, bust a move, batman arkham asylum, bullet storm, gears of war 1 and 2, chess, checkers, monopoly, crib, skip bo, go fish, war, goldeneye, all zelda, perfect dark, pacman, left for dead 1 and 2 and a lot more

I forgot Bulletstorm and Dead Space (both games)

I forgot Bulletstorm and Dead Space (both games)

All Need For Speeds, all CODs, all Forzas, All Gran Turismos,GTA all of them, and Mortal Combat

final fantasy 1-9
Chrono trigger
Secret of Mana
Dead space 2
All Assassin's Creed
Legend of the Dragoon
Gears 1-2
Legend of Legaia
Final fantasy tactics

Is Rift good? Im sick of wow and was wondering if Rift was worth while.

Yoshi's Island
Metroid Prime 3
Super Smash Bros. (64)
The Starcrafts
The Left 4 Deads
Zelda Ocarina of Time
Super Mario Galaxy

portal
kingdom hearts
brutal legend
halo 3
donkey kong 64
paper mario

all the halos
black ops
RDR
battle felid 2 and 3(already love it)
zelda orican of time
zelda majiors mask
legendan of zelda wind waker

TES: Both Oblivion and Morrowind
The Fallout series
Time Splitter Future Perfect
Donkey Kong Country series
Donkey Kong 64
Banjo-Kazooie
Need For Speed Hot Pursuit 2
Need For Speed Underground 2
Gears of War 1 and 2
Mass Effect 1 and 2
Shadowrun
Bioshock 1 and 2
Any and all of Tom Clancy's Ghost Recon games
Pokemon series
Super Smash Bros. series
Flatout (the first one)
Mario 64
Fire Emblem: Shadow Dragon
World of Warcraft
League of Legends
Dawn of War: Warhammer 40,0000 series
Mario Tennis
Mario Party 1 and 2
Sonic Adventure Battle 2
Star Wars Battlefront (Both of em)
Star Wars Knights of The Old Republic (Both of em)
N+ (Got the arcade on 360)
Borderlands
Assassin Creed (All of em)
Castle Crashers (360 Arcade)
Saints Row 1 and 2
The Total War series
Age of Empires 2 and the expansion
Goldeneye
Twisted Metal 4
Crash Bash

Thats all I can think of at the moment, Im sure I missed some other great ones though ;p

1) Final Fantasy series, thanks Nobuo! because of him i am a music composer hehe.

2) Battlefield series (specially BFBC 1 and 2 and BF1942)

3) Twisted Metal 2, 3 and 4.

4) King of Fighters 95, 96, 97, 98 and 2002

the elder scrolls series, guitar hero, fallout series, assassins creed 1,2,brotherhood and revelations, portal 1 and 2, halo 3,4, reach, odst, wars, red dead, red faction, banjo kazooie, tony hawks, pokemon. there is too many to count but i think my fave has to be Kingdom hearts

CoD4, MW2, Motorstorm Pacific Rift, Motorstorm Apocalypse, Dirt 2.

CoD4 is the all time favourite though.

Zelda: Majora's mask. (Or any Zelda game, Majora just happens to be my favourite.), Mass Effect 2, Star Craft: Brood Wars, Star fox 64, Super Smash Bros Melee, COD4, Pokemon Gold/Silver, Super Mario 3, Banjo Kazooie (and Tooie), Goldeneye, Sonic Adventure 2, Halo Combat Evolved (PC), Saints Row 2, LA Noire, Star Wars Rogue Squadron, Animal Crossing: Wild World, Resident Evil 4.

Off the topd of my head, no particular order.