Aww hell, you've seen the pictures all ready, but by system(that I can remember):
Nintendo 64/Wii/WiiWare:
Tony Hawk 1-3
Zelda Ocarina of Time
Goldeneye
Battletanks 2
Both Pokemon Stadiums
No more Heroes
SM Galaxy
Metal Slug
Yoshi's Island
Breath of Fire 2
Kirby's Dream Course
Kirby's Dreamland (SNES)
Kirby's Dreamland 3 Crystal Shards (N64)
Mario Cart Wii
Mario Cart 64
Super Smash Bros (N64)
Super Smash Bros(Wii)
Xbox:
Mechassault
Mechassault Lone Wolf
Gameboy Color/Pocket/DS/ Advanced
Pokemon:
Red, Blue, Yellow, Gold, Silver, Crystal, Sapphire, Diamond
Army Men 1&2
yoshi's island DS
Legend Of Zelda
Advanced Wars
Ready for this?
PC:
Dark Messiah Might and Magic
Half Life/:
CS, DOD, Blue Shift, Opposing Force
Half Life 2/:, epd 1, epd 2
DoD/CS: Source
Garry's Mod
Rome Total War+ Expansions
The Ship
Team Fortress Classic+ TF2
Wolfenstein 3D
Return to Castle Wolfenstein
STALKER:SC, Clear Sky
Warhammer 40,000: Dawn of War+ Expansions, DoW2
Deus Ex
Deus Ex Invisible War
Empire Total War
Medieval Total war +Viking Invasion
Medieval Total War 2 + Kingdoms
Portal
Left 4 Dead
Brothers in Arms: Road to Hill 30
Metal of Honor: Allied Assault, Spearhead, Breakthrough, Pacific
Call Of Duty
Call of Duty: United Offense
Call Of Duty 2
Call Of Duty 4
Call Of Duty World at War
Mechwarrior 2
Mech2 Mercs
Mech2 Ghost bear
Mechwarrior 3
Mechwarrior 3 Pirate's Moon
Mechwarrior 4
Mechwarrior 4 Black Knight
Mech4 Mercs
Battlefield 1942, Road to Rome, Secret Weapons
Battlefield: Vietnam
Battlefield 2, Special Forces
GASP
Command and Conquer:
C&C
C&C: Covert Ops
Red Alert
RA Aftermath, Counterstrike
RA 2, Yuri's revenge
Red Alert 3
C&C Tiberium Sun
Renegade
C&C 3, Kane's Wrath
Generals, Zero Hour
Emperor: Battle For Dune
Dune 2000
Rollercoaster Tycoon + expansions
Rollercoaster Tycoon 3
Homeworld 2
Starcraft+ Brood War
Unreal Tournament, 2004, UT3
Star Wars:
Jedi Knight Dark Forces 2
Galactic battle Grounds + Clone Wars
Jedi Academy
Battlefront 1 + 2
KOTOR
KOTOR 2: Sith Lords
Empire At war + Forces of Corruption
Tie Fighter
X-wing
Neverwinter Nights:
Shadows of Undrentide
Hordes of the Underdark
NWN2:
Mask of the betrayer
Storms of Zehir
Baldurs Gates (all of em)
Elder Scrolls:
Morrowind
Tribual
Bloodmoon
Oblivion + Expansion, Nine
Freelancer
Codename Panzers Phase 1 and 2
Guild Wars, Nightfall, Factions, Eye of the north
Gothic 2
Company of Heroes
Halo
Doom 3
Rise of Nations:
Thrones and Patriots
GTA3, Vice City, San Andreas
GTA2
GTA4
Sims 2 + All expansions (technically my Girlfriends, but I bought them)
Diablo
Diablo 2 + LOD
Bioshock
FEAR
Gears Of War
Crysis + Expansion
Warhammer Mark of Chaos + Battlemarch
Mass Effect
Close Combat: Normandy, Bridge To Far, Battle of the Bulge
Supreme Commander +Expansion
Fallout
Fallout 3
Far Cry 2
Sins of a Solar Empire
Dungeon Seige
Operation Flashpoint
Rise of Legends
Stronghold + Crusaders
Sim City 2, 3, 4
Streets of Sim City
NERD