Here is my (small) collection:
NES Console
-Dragon Warrior Loose
-SMB/Duck Hunt loose
Genesis Console
-Risk complete
-6 pack loose
-Street Fighter 2 loose
-Sonic 2
-Ecco the dolphin
Playstation 2 Console(All Complete)
-Dark cloud
-Dark Cloud 2
-Tony Hawks Underground
-Socom
-ESPN NBA Basketball
-Dot Hack Vol. 1
-Kingdom hearts
Gamcube console(All complete)
-Animal Crossing
-Pikmin
-Sonic Adventure 2 Battle
-Crazy taxi
Xbox Console(All complete)
-JSRF/Sega GT 2002 Bundle
-MGS2:Substance
-Xbox Magazine Demo Disk 24 and 25
-Magic the gathering Battleground demo
-Phantasy Star Online I and II
-Outlaw Volleyball Red hot
Playstation
-Jet Moto
-Jet Moto II
-Legend Of Mana Complete
-Parappa The Rapper Complete