| Ars Magica | Lion Rampant | United States |
| Ars Magica (1st edition) | — | — |
| Cyborg Commando | — | — |
| Enforcers | — | — |
| Expendables | — | — |
| Future Worlds | — | — |
| GURPS Horseclans | Steve Jackson Games | United States |
| GURPS Humanx | Steve Jackson Games | United States |
| Interlock System | R. Talsorian Games | United States |
| Living Steel | — | — |
| Légendes Celtiques | Jeux Descartes | France |
| MEGA Role-Playing System | — | — |
| MegaTraveller | Game Designers' Workshop | United States |
| Ninjas & Superspies | Palladium Books | United States |
| Paranoia (2nd edition) | West End Games | — |
| Shadow World | Iron Crown Enterprises | United States |
| Star Wars: The Roleplaying Game | West End Games | United States |
| Sword and magic | — | Finland |
| Talislanta | Bard Games | United States |
| Teenagers from Outer Space | R. Talsorian Games | United States |
| Timelords | Blacksburg Tactical Research Center | United States |
| TWERPS | Gamescience | United States |