From what I can remember (more to come):
[XBOX]:
* Morrowind (Elder Scrolls III)
* Phantom Dust
* Sudeki
* GunValkyrie
* Toejam & Earl III
* Oddworld: Stranger's Wrath
* Ninja Gaiden
* Conker: Live and Reloaded
[Gamecube]:
* Resident Evil
* Skies of Arcadia - Legends
* F-Zero GX (freaking HARD game)
* The Legend of Zelda: Four Swords Adventures
* Tales of Symphonia
* Pikmin 2
[Dreamcast]:
* Virtua Tennis (not sure if I ever will >_>)
* Record of Lodoss War
* Jet Grind Radio
* Jet Set Radio
* De La Jet Set Radio
* Baldr Force EXE
* Fur Fighters
[PSX/PS2]:
* Final Fantasy - Tactics
* Digimon World 2
* Digimon World 3
* Digimon World 4
* Rockman
* Rockman 2: Dr. Wily no nazo
* Prince of Persia - Warrior Within
* Star Ocean III: Till the End of Time (I'm on disk 2! XD)
* Jak II
* Clock Tower 3
* Devil May Cry
* Devil May Cry 2
* Devil May Cry 3
* .hack//Outbreak (vol.3)
* .hack//G.U. Vol.3: Redemption
* Soul Nomad & the World Eaters
* Gungrave
* God Hand
* Katamari Damacy
* Siren
* Shinobi
* Lupin the 3rd: Treasure of the Sorcerer King
* Tales of Legendia
* Dragon Quest VIII: Journey of the Cursed King
* Dark Cloud
* Ape Escape: Pumped & Primed
* Aqua Teen Hunger Force - Zombie Ninja Pro-Am
* Space Channel 5 (Special Edition)
* Champions of Norrath
* Champions: Return to Arms
* Metal Gear Solid
* Metal Gear Solid 2
* Metal Gear Solid 3
* Mahou Sensei Negima! 2-Jikanme - Gold Medal Version
* Mahou Sensei Negima! Kagai Jugyou
* Final Fantasy XII (Collector's Edition)
* Klonoa 2: Lunatea's Veil
* La Pucelle: Tactics
* Pop'n Music 9
* Pop'n Music Carnival (13)
* Pop'n Music Fever! (14)
* Kindom Hearts II: Final Mix + (working on CoM)
* DearS
* Eien no Aseria
* Dragon Shadow Spell
* Summon Night EX Thesis - Wings of Dawn
* THE Earth Defense Force 2
* Melty Blood - Act Cadenza
* Berserk: Millennium Falcon Hen Seima Senki no Shō
* NamcoXCapcom
* Tales of Fandom - Vol.2 (Tia Version)
* Killzone
* The Nightmare of Druaga
* Megaman X Command Mission
[Wii]:
* Mahou Sensei Negima!? Neo-Pactio Fight!!
* Red Steel (and I probably will never play this again)
* Super Monkey Ball - Banana Blitz
* Super Mario Galaxy
* Resident Evil 4 (Wii Edition)
* Oneechanbara Revolution
* The Legend of Zelda: Twilight Princess (had since Wii launch, about 60% through)
* Bust-a-Move Bash!
* THE Waiwai Combat
* Castle of Shikigami III
[GBC/GBA]:
* Batman
* Battletoads
* Dragon Warrior 1&2 (two games, one cartridge
)
* Dragon Warrior Monsters 2: Cobi's Journey
* Robopon (Sun Version)
* Megaman 2
* Kirby's Pinball Land
* Bomberman Max - Red Challenger
* Bomberman Max - Blue Champion
* The Legend of Zelda: Link's awakening
* Summon Night Craft Sword Monogatari: Hajimari no Ishi
[NDS]:
* Etrian Odyssey 2: Heroes of Lagaard (on 28F)
* Megaman StarForce 2: Zerker X Ninja (beat the JP version though XD)
* Bokura no Taiyo: Django & Sabata (beat the english version, which is slightly different)
* Lost Magic
* Lunar - Dragon Song
* Summon Night - Twin Age
* Super Mario 64 DS
* Diddy Kong Racing DS
* Bomberman
* The Legend of Zelda: Phantom Hourglass
* SNK v.s. Capcom Card Fighters DS
* Kirby - Canvas Curse
* Phoenix Wright - Ace Attorney
* Phoenix Wright: Ace Attorney - Justice For All
* Phoenix Wright: Ace Attorney - Trials and Tribulations
* Apollo Justice - Ace Attorney
* Mario Kart DS
* Izuna: Legend of the unemployed Ninja
* Izuna 2: Return of the unemployed Ninja
* Dokidoki majo Shinpan
* Dokidoki majo Shinpan 2
* Kouenji Onago Soccer 2
* Moetan DS
* Lost in Blue
* Lost in Blue 2
* Lost in Blue 3
* Mr. Driller - Drill Spirits
* New Super Mario Bros.
* Shakugan no Shana DS
* Ōkami to Kōshinryō Boku to Horo no Ichinen (Spice and Wolf DS)
* Super Robot Wars - Mugen no Frontier
* Trauma Center - Under the Knife
* Trauma Center - Under the Knife 2
More to come
