- Epic Words
- Rule Systems
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 | 1 | ||
| Advanced Dungeons & Dragons | 1st | 5 | 56 | |
| Advanced Dungeons & Dragons | 2nd | 10 | 38 | |
| 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 | 29 | |
| Apocalypse World Engine | lumpley games | 1st | 4 | 14 |
| Ars Magica | Atlas Games | 5th | 1 | 5 |
| Artesia: Adventures in the Known World | Archaia Studios Press | 1st | 1 | 0 |
