... man, I can't remember what NES games I finished multiple times. Anyway:
Super Mario World
Donkey Kong Country
Donkey Kong Country 2
Donkey Kong Country 3
Super Mario RPG
Super Mario World 2: Yoshi's Island
Goof Troop
Mickey and Donald Magical Adventure 3
Mighty Morphin' Power Rangers
Mighty Morphin' Power Rangers The Movie
Mighty Morphin' Power Rangers Fighting Edition
Wild Arms 2
Final Fantasy VIII
FF IX
FF X
FF V
FF IV
FF I
Wild Arms 3
Wild Arms 4
Wild Arms XF
Monster Hunter Freedom unite
Super Mario 64
Mario Kart 64
PW AA
PW AA: JFA
PW AA: T&T
AJ AA
Ghost Trick
Infinite Space
Ouendan
EBA
Ouendan 2
Legend of Heroes: Trails in the Sky
Zelda: Ocarina of Time
Mobile Suit Gundam: Federation Vs Zeon
War of the Monsters
Super Smash Bros.
Doraemon 64
Star Wars Shadows of the Empire
Star Wars KOTOR
Zelda: Oracle of Ages
Zelda: Oracle of Seasons
Donkey Kong for the GB
Pokemon Red
Pokemon Platinum
Pokemon Snap
Prehistoric Man
Maji de watashi ni koi shinasai
Morrowind
Oblivion
Drakan
Age of Empires 2
Age of Mythology
Aladdin
The Lion King
Kingdom Hearts
Kingdom Hearts 2
Kingdom Hearts COM
Okami
Warriors Orochi
Warriors Orochi 2
Samurai Warriors
Persona 3
Monster Rancher 2
Devil Survivor
Strange Journey
Persona (unfortunately >_>)
Mobile Suit Gundam Battle Assault
Mobile Suit Gundam Battle Assault 2
Kamen Rider V3
Metal Slug X
Ultimate Mortal Kombat
Metal Gear Solid
WWF Smackdown 2
Guitar Hero 2
Spyro the Dragon
Spyro the Dragon 2: Ripto's Rage
Spiderman (The PSX one)
Front Mission 3
Disney's DDR
Tomba 2
Brave Fencer Musashi
Musashi Samurai Legend
Medievil
Medievil 2
Pepsi Man
Jumpstart 3rd grade
Jumpstart 4th grade
Star Fox 64
Diddy Kong Racing
Turok
Turok 2
Starcraft
Warcraft 3
Pokemon Stadium
Vigilante 8 2nd Offense
Twisted Metal 2
Twisted Metal 3
Twisted Metal 4
Mario Party
Pokemon Trading Card Game
Final Fantasy Legend 2
Kirby Super Star Ultra
Final Fantasy Adventure
Final Fantasy Legend III
Wario Blast
Harry Potter and the Sorcerer's Stone
Megaman Legend
Megaman Star Force
Megaman Star Force 2
Heroes of Might and Magic 3
Heroes of Might and Magic 4
Toy Story
Toy Story 2
Yu-Gi-Oh (Forgot which one)
Super Mario Bros. 2
Super Mario Bros. 3
Castlevania: Dawn of Sorrow
Warioware Touched
Rhythm Heaven
Final Fantasy Tactics Advance
Makai Kingdom
Disgaea: Hour/Afternoon of Darkness (PSP and DS)
Disgaea 2: Dark Hero Days (PS2 and PSP)
Rampage World Tour
Shadow of the Colossus
Mario Kart DS
Zelda: Phantom Hourglass
TWEWY
Contra 4
Trauma Center
Trauma Center 2
Lego Star Wars
Tiny Toons Adventure
Neverwinter Nights
Dragon Age: Origins
Freedom Force
Probably forgot a few here and there. And yeah, sometimes I delete the save to start from scratch all over again.
--
My Little Phineas and Ferb: Summer is Magic!
Aww, I lost to SuperNiceDog, Winner of the Rivalry Rumble Guru Contest