I was only like 2 when my father got his Genesis which we still have and still runs very well except for the fact that the controller PCB board solder is coming loose and needs a re-flow. Without further ado, here is my collection that is slowly building up.
Consoles:
Model 1 North American VA 6.1
Model 2 North America VA 2.3
32X MK-80000 (missing static plates, RF terminal, model 2 spacer and model 1 patch cable)
Genesis Games:
Sonic the Hedgehog pack in variant
6 Pak (has manual)
Sonic the Hedgehog 2 pack in variant (two copies)
Sonic Spinball
Sonic and Knuckles (has cardboard box)
The Ooze (has cardboard box)
Shadowrun (dead battery)
Street Fighter 2: The New Challengers (biggest official game)
Contra Hard Corps
Castlevania Bloodlines (Majesco variant CIB)
Xmen
Xmen 2 Clone Wars
Rastan 2 (really bad game, don't play)
Last Battle (lazy, sloopy, and censored Fist of the Northstar game)
The Lion King (has clamshell box)
Zombies Ate My Neighbors
Air Diver
Slaughter Sport (sloppy Tougue of the Fatman port)
Davis Cup Tennis (CIB even the Tengen poster with Awesome Possum)
FIFA International Soccer (CIB)
Madden NFL '95
Altered Beast
Demolition Man
Earthworm Jim
Heavyweight Championship
Sesame Street Counting Cafe (seriously, I was like 4 when I got this game)
Jurrasic Park
32X games:
Doom
Zaxxom Motherbase (CIB)
Shadow Squadron (CIB possibly my favorite game out of this list)
Metal Head (has Cardboard box)
Star Wars Arcade (has manual)
Extras:
2 3 button launch controllers
2 Superpad 6 controllers
2 Hyperkin 6 button controller (one is NIB)
Model 1 RF (serves no priority parts so it also works on NES, SNES and Jaguar)
3rd party Model 2 RF
Model 1 AV cables
Model 2 stereo cables
Mega Everdrive V2 running the Latest firmware offered by Krikzz and a 16GB Micro SDHC
I'll add more as I go on.