Consider this sort of a checklist, Ill post important games that have not yet been brought to the Wii Virtual Console. Iv also posted Japanese only games in hopes they finally make the move over to North Amercia, feel free to add your own and Ill edit them into the OP.
Nintendo Entertainment System
- Bionic Commando
- Contra
- Contra Force
- Double Dragon II: The Revenge
- Double Dragon III: The Sacred Stones
- Dragon Warrior
- Dragon Warrior II
- Dragon Warrior III
- Dragon Warrior IV
- Dunk Hunt
- Duck Tales
- Dynowarz: The Destruction Of Spondylus
- Faxandu
- Final Fantasy
- Gumshoe
- Gyromite
- Hogan's Alley
- Joe & Mac
- M.U.L.E.
- Mega Man 4
- Mega Man 5
- Mega Man 6
- Metal Gear
- Snake's Revenge
- R.C. Pro-Am
- R.C. Pro-Am II
- Romance Of The Three Kingdoms
- Smash TV
- Snake Rattle N' Roll
- Stack-Up
- Teenage Mutant Ninja Turtles 2
- Teenage Mutant Ninja Turtles 3
- The Guardian Legend
Famicom
- Devil World
- Famicom Wars
- Final Fantasy II
- Final Fantasy III
- Fire Emblem: Ankoku Ryū To Hikari No Ken
- Fire Emblem: Gaiden
- Mother
Famicom Disk System
- Yume Kōjō: Doki Doki Panic
Super Nintendo Entertainment System
- Act Raiser 2
- Battleclash
- Metal Combat: Falcon's Revenge
- Castlevania: Dracula X
- Chrono Trigger
- Disney's Alladin
- Disney's The Lion King
- Double Dragon V: The Dragon Falls
- Earthbound
- Final Fantasy II (USA)
- Final Fantasy III (USA)
- Final Fantasy: Mystic Quest
- Hyperzone
- Illusion Of Gaia
- Joe & Mac
- Killer Instinct
- Kirby Super Star
- Mario Paint
- Mega Man 7
- Mega Man X
- Mega Man X2
- Mega Man X3
- Mega Man Soccer
- Mortal Kombat
- Mortal Kombat II
- Mortal Kombat 3
- Parodius
- Pilotwings
- Romance Of The Three Kingdoms II
- Romance Of The Three Kingdoms III: Dragon Of Destiny
- Star Fox
- Super Adventure Island
- Super Adventure Island 2
- Super Mario All-Stars
- Super Mario World 2: Yoshi's Island
- Super Mario Kart
- Super Star Wars
- Super Star Wars: The Empire Strikes Back
- Super Star Wars: Return Of The Jedi
- Teenage Mutant Ninja Turtles IV: Turtles In Time
- Terranigma
- Soul Blazer
- Illusion Of Time
- Tetris Attack
- Top Gear
- Top Gear 2
- Uniracers
- Yoshi's Safari
- Ys III: Wanderers's From Ys
- Zombies Ate My Neighbours
Super Famicom
- Fire Emblem: Monshō No Nazo (Fire Emblem: Emblem Of Mystery)
- Fire Emblem: Seisen No Keifu (Fire Emblem: Geneology Of The Holy war)
- Fire Emblem: Thracia 776
- Mario & Wario
- Super Bomberman: Panic Bomber W
- Super Bomberman: Caravan Edition
- Super Bomberman 4
- Super Bomberman 5
- Super Famicom Wars
Nintendo 64 (USA)
- Aero Fighters: Assault
- Banjo-Kazooie
- Banjo-Tooie
- Battle Tanx
- Battle Tanx: Global Assault
- Blast Coprs
- Body Harvest
- Castlevania
- Castlevania: Legacy Of Darkness
- Command & Conquer
- Conker's Bad Fur Day
- Donkey Kong 64
- Diddy Kong Racing
- Dr. Mario 64
- Excitebike 64
- Goldeneye 007
- Harvest Moon 64
- Jet Force Gemini
- Mario Tennis
- Mario Party
- Mario Party 2
- Mario Party 3
- Mega Man 64
- Mischief Makers
- Mortal Kombat 4
- Ogre Battle 64: Person Of Lordly Caliber
- Perfect Dark
- Pilotwings 64
- Pokemon Stadium
- Pokemon Stadium 2
- Resident Evil 2
- Star Wars: Rogue Squadron
- Starcraft 64
- Super Smash Bros.
- Tetrisphere
- Wave Race 64
Nintendo 64 (JPN)
- Custom Robo
- Custom Robo V2
- Doshin The Giant (N64 DD)
- Mario No Photopi
Sega Master System
- Alex Kidd: BMX Trial
- Alex Kidd: High-Tech World
- Alex Kidd In Shinobi World
- Phantasy Star
Sega Genesis / Mega Drive
- Contra: Hard Corps
- Mega Man: The Wily Wars
- NHL '94
- Sonic & Knuckles
- Vectorman 2
- Castlevania: Bloodlines
- Championship: Pro-Am
- Mega Bomberman
- Snow Bros.
NEC TurboGrafx-16
-
NEC TurboGrafx-CD
- Akumajō Dracula X Chi No Rondo (Castlevania: Rondo Of Blood)
- Bonk 3: Bonk's Big Adventure CD
SNK Neo-Geo
- Neo-Bomberman
Commodore 64
- Burger Time
- Crazy Kong
- Donkey Kong (1983)
- Donkey Kong (1986)
- Frogger
- Frogger II: Threeedeep
- Maniac Mansion
Virtual Console Arcade
- Donkey Kong
- Donkey Kong Junior
- Mario Bros.
- Pac-Man
- Ms. Pac-Man
- Pac-Man Jr.
- Red Earth
- Q-Bert
- Sega Rally 2
- Sega Super GT
- Space Invaders
- Darkstalkers
- Night Warriors
- Vampire Savoir
- Virtua Fighter
- Virtua Fighter 2
- Virtua Fighter 3