[xferrarix]

Well I do a bit of collecting myself. On SNES I only do carts because the prices with boxes are generally EXTREMELY high. However I do have instructions with some of the games somehow.

SNES (I have a Game Genie with all of this):
Batman Forever
Bust-A-Move
Championship World Class Soccer
Chrono Trigger
Cybernator
Disney's Goof Troop
Donkey Kong Country
Donkey Kong Country 2
Donkey Kong Country 3
Doom
Final Fantasy Mystic Quest
F-Zero
Killer Instinct
Kirby's Avalanche
Kirby's Dream Land 3
Kirby Super Star
Mario Paint (w/o the mouse or board at the moment)
Mega Man X
Mega Man X2
Mega Man X3
Nigel Mansell's World Championship
Pac-Man 2: The New Adventures
Phalanx
Pilotwings
Pocky & Rocky (with box, but photocopied instructions)
SimCity
Super Star Wars
Speed Racer
Speedy Gonzales Los Gatos Bandidos
StarFox
Street Fighter 2
Stunt Race FX
Sunset Riders
Super Bomberman 2
Super Ghouls N' Ghosts
Super Mario All Stars
Super Mario RPG: Legend of the Seven Stars
Super Mario World
Super Mario World 2: Yoshi's Island
Super Off-Road
Super Metroid
Tetris 2
Tetris Attack
The Great Circus Mystery
The Magical Quest starring Mickey Mouse
Tiny Toon Adventures: Bugs Busts Loose!
Ren & Stimpy Show: Veeidiots
Top Gear
TMNT 4: Turtles in Time
Zelda: Link to the Past

Sega Genesis:
Sonic the Hedgehog 1 (only case and instructions, dealer on Amazon confused Sonic 1 with Sonic 2, got full refund but kept the box and all)
Sonic the Hedgehog 2 Mint with box and instructions
Sonic the Hedgehog 3 Near-Mint without rack handle thing on box and instructions

I'm also working on a Sega Saturn collection. That's all mostly only CDs, and I have to organize that more so I can say which ones I have and don't have.