Rule System Directory

Rule System (sort) Publisher (sort) Edition Settings Campaigns (sort)
Gamma World 1st 1 2
Gamma World 2nd 1 0
Gamma World 3rd 1 0
Gamma World 4th 1 1
Grimm 1st 1 1
GUMSHOE Pelgrane Press Ltd 1st 4 4
GURPS 4th 6 24
GURPS 3rd 6 4
GURPS 2 1