- 2300ad/2320ad
- arcana evolved/unearthed d20
- ars magica
- boot hill
- call of cthulhu
- castles & crusades
- d20 modern
- d20 system
- dominion rules
- dragonlance fifth age/saga system
- dungeons & dragons 4th edition
- dungeons & dragons 3rd edition
- dungeons & dragons 2nd edition
- dungeons & dragons 1st edition
- dungeons & dragons basic set
- dungeon dwellers
- gamma world
- gutshot
- iron heroes d20
- iskusstvo volshebstva
- james bond 007
- lace & steel
- lord of the rings
- mutants & masterminds
- mythus
- northern crown d20
- nyambe d20
- omega world d20
- pendragon
- rolemaster
- space: 1889
- spycraft
- star frontiers
- star trek (fasa)
- star trek (lug)
- star trek: the next generation
- star wars
- top secret
- torg
- traveller
- true20/blue rose
- warhammer frp
- wheel of time
- arcana evolved/unearthed d20
Mutants & Masterminds (