Game System
- Dungeons & Dragons112
- Advanced Dungeons & Dragons45
- Hero System42
- Champions26
- Call of Cthulhu23
- D20 Modern21
- Axis & Allies20
- Arcana Unearthed19
- Rifts18
- Buffy the Vampire Slayer RPG17
- Hero (Champions)17
- Call of Cthulhu (1920s)16
- Shadowrun15
- Savage Worlds13
- GURPS12
- N/A11
- Dungeons and Dragons9
- Exalted9
- Stargate SG1 d209
- Warhammer Fantasy Roleplay9