PC:
1.. 2... 3... KICK IT!
AAaaaaAaaa
Alien Swarm
Alpha Protocol
American McGee's Alice
Alice Madness Returns
Amnesia
Anno 1404
Anno 1404 Venice
Aquaria
Arma 2 Combined Ops
Assassin's Creed
Assassin's Creed 2
Assassin's Creed Brotherhood
Audiosurf
The Ball
Batman Arkham Asylum
Battlefield 2
Battlefield: Bad Company 2
Beat Hazard
BioShock
BIT.TRIP BEAT
Black Mirror 3
Blood Bowl LE
Bloodline Champions
Borderlands GOTY
Braid
Brink
Bulletstorm
Bully
Burnout Paradise
Call of Duty 4
Call of Juarez - Bound in Blood
Chains
Champions Online
Chronicles of Riddick EFB
Civ IV
Civ IV BTS
Civ IV Warlords
Civ V
Clonk
COGS
Coil
Commandos Behind Enemy Lines
Commandos Beyond the Call of Duty
Commandos 2
Commandos 3
Condemned - Criminal Origins
Cortex Command
Counter-Strike: Source
Crysis
Darksiders
Darwinia
Dead Rising 2
Dead Space
Dead Space 2
DEFCON
Defense Grid - The Awakening
Democracy 2
Deus Ex
Diablo 2 (+LOD)
DiRT 3
Divine Divinity
Dragon Age: Origins
Dragon Age 2
Duke Nukem Forever
Dungeon Siege III
Europa Universalis
EVE Online
Evil Genius
F.E.A.R.
F.E.A.R. 3
F1 2010
Fallout
Fallout 2
Fallout 3 GOTY
Fallout New Vegas (+DLC)
Fate of the World
FIFA 11
FlatOut: Ultimate Carnage
Flight Simulator X
Football Manager 2011
Frozen Synapse
Garry's Mod
Ghost Master
Ghostbusters
Ghostbusters - Sanctum of Slime
Gish
Global Agenda
GoldenEye: Source
Grand Theft Auto III
Grand Theft Auto Vice City
Grand Theft Auto San Andreas
Grand Theft Auto IV
Grand Theft Auto IV: Episodes from Liberty City
GRID
Gumboy Crazy Adventures
Gumboy Crazy Features
GUN
Half-Life
Half-Life 2
Half-Life 2: DM
Half-Life 2: Episode One
Half-Life 2: Episode Two
Half-Life 2: Lost Coast
Hearts of Iron III
Hearts of Iron III Semper Fi
Heroes of Might and Magic 3
Heroes of Newerth
Hitman: Blood Money
Indigo Prophecy
Jade Empire
Jurassic Park: Operation Genesis
Just Cause 2
Killing Floor
King Arthur's Gold
Korsakovia
Left 4 Dead
Left 4 Dead 2
LinCity NG
Lugaru
Machinarium
Mafia
Mafia II
Magicka
Manhunt II
Mass Effect
Mass Effect 2 (+DLC)
Metro 2033
Mirror's Edge
Monday Night Combat
Mount & Blade
Mount & Blade: Warband
Mount & Blade: With Fire and Sword
The Movies
Multiwinia
Nation Red
NBA 2k11
Neverwinter Nights 2
Nightmare House 2
Oblivion GOTY
Obulis
OpenTTD
Operation Flashpoint: Dragon Rising
Operation Flashpoint: Red River
Osmos
Overgrowth
Overlord
Overlord II
Pathalogic
Penumbra: Black Plague
Penumbra: Overture
Penumbra: Requiem
Plain Sight
Planescape Torment
Portal
Portal 2
Prototype
Psychonauts
Quantz
Real Lives 2010
Red Alert 3
Red Faction
Red Faction II
Red Faction III: Guerrilla
Red Faction IV: Armageddon
Revenge of the Titans
RUSH
S.T.A.L.K.E.R. - Shadow of Chernobyl (Complete 2009 (maybe L.U.R.K.) or Vanilla)
S.T.A.L.K.E.R. - Clear Sky (Complete or Vanilla)
S.T.A.L.K.E.R. - Call of Pripyat (Complete or Vanilla)
S.W.A.T. 4
S.W.A.T. 4 - The Stetchkov Syndicate
Saints Row 2
Samorost 2
Section 8: Prejudice
Shadowgrounds
Shadowgrounds: Survivvor
The Sims 3 (+DLC)
The Sims Medieval
Sins of a Solar Empire
Sins of a Solar Empire: Diplomacy
Sins of a Solar Empire: Entrenchment
SpaceChem
Spelunky
Splinter Cell: Chaos Theory
Splinter Cell: Double Agent
Star Ruler
Star Wars - Knights of the Old Republic
Star Wars - Knights of the Old Republic II
StarCraft II
Stone Soup
Street Fighter IV
Super Meat Boy
Tales of Maj'Eyal: Age of Ascendancy
Team Fortress 2
Terraria
Test Drive Unlimited 2
Thieft: Deadly Shadows
Toki Tori
Tom Clancy's Rainbow Six: Vegas 2
Torchlight
Toribash
Total War: Shogun 2
Trials 2: Second Edition
Trine
Tropico 3
Tropico 3: Absolute Power
UFO Extraterrestrials
Universe Sandbox
Uplink
Vampire Bloodlines - The Masquerade
Vigil: Blood Bitterness
Virtua Tennis 4
VVVVVVVVVVV
Warcraft III
Warcraft III: The Frozen Throne
The Witcher - Enhanced Director's Cut
The Witcher 2
The Wonderful End of the World
World of Goo
World of Warcraft
X3: Terran Conflict
Yume Nikki
Zomboid

XBOX 360:
Forza Motorsport 3 (+DLC)
L.A. Noire
Red Dead Redemption (+DLC)
UFC Undisputed 2010
WWE All-Stars

DOS:
I had a game here. but I forgot what it was.

Nintendo 64:
Banjo-Kazooie
Banjo-Tooie
GoldenEye 007
Harvest Moon 64
Pokemon Snap
Pokemon Stadium
Pokemon Stadium 2
Super Smash Bros.
Zelda - Majora's Mask
Zelda - Ocarina of Time

Nintendo DS:
Assassin's Creed - Altair's Chronicles
Chrono Trigger (DS)
Disgaea
Dragon Quest IV
Dragon Quest VI
Dragon Quest IX
Pokemon Pearl
Pokemon Diamond
Pokemon Platinum
Pokemon HeartGold
Pokemon SoulSilver
Pokemon Black
Pokemon White
Zelda - Phantom Hourglass

Nintendo GB(A):
Advance Wars
Final Fantasy VI Advance
Golden Sun
Harvest Moon - Friends of Mineral Town
Pokemon Blue
Pokemon Red
Pokemon Yellow
Pokemon Gold
Pokemon Silver
Pokemon Diamond
Pokemon FireRed
Pokemon LeafGreen
Pokemon Ruby
Pokemon Sapphire
Pokemon Emerald
Super Monkey Ball Jr.
Zelda - The Minish Cap

Nintendo GameCube:
Metroid Prime
Super Mario Sunshine
Zelda - Wind Waker
Zelda - Twilight Princess (GC)

Nintendo Wii:
Super Mario Galaxy
Super Mario Galaxy 2
Zelda - Twilight Princess (Wii)

(Super) Nintendo Entertainment System:
Breath of Fire
Breath of Fire II
Chrono Trigger
Dragon Quest V
Final Fantasy II
Final Fantasy III
Out of this World
Shadowrun
Terranigma
Zelda - A Link to the Past

Nintendo Entertainment System:
DUNT HAVE ONE YET!?

Sony PSX:
Chrono Cross
Spyro 3

Sony PS2:
DragonBall Z - Budokai Tenkaichi 3

Sony PSP:
This won't work for the forseeable future. Until I have a PSP at least.