Over at theRPGsite a fella named Wil asked people to list all the RPGs they've played at least once. Here's what I came up with off the top of my head.
D&D '81 Basic/Expert
AD&D 1st edition
Boot Hill (2nd edition)
Gamma World (2nd edition)
Gangbusters (1st edition)
Marvel Super Heroes (Basic, 1st ed)
D&D '83 Basic/Expert
AD&D 2nd edition
Call of Cthulhu (3rd edition boxed set)
MechWarrior (1st edition)
A Palladium-powered Dr. Who game
HERO System (4th edition, mostly Champions)
Call of Cthulhu (various 4.x editions)
the big black boxed 'D&D Game' basic set
Top Secret (1st edition)
Over The Edge
Blue Rose testdrive
Mutants & Masterminds 1st edition
I wouldn't be surprised is someone like Pat or Don pointed out something I've missed.
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