Rule System Directory

Rule System (sort) Publisher (sort) Edition Settings Campaigns (sort)
A Song of Ice and Fire Roleplaying Green Ronin Publishing 1st 1 5
Aces and Eights 1 0
Advanced Dungeons & Dragons 1st 5 54
Advanced Dungeons & Dragons 2nd 10 36
Advanced Dungeons & Dragons 3rd 1 0
Advanced Dungeons & Dragons 3.5 1 9
Alpha Omega Mindstorm Labs 1st 1 1
Alternity 1st 2 1
Alternity 1 2
Anima 1st 1 28
Apocalypse World Engine lumpley games 1st 4 13
Ars Magica Atlas Games 5th 1 5
Artesia: Adventures in the Known World Archaia Studios Press 1st 1 0