Risus

Risus: The Anything RPG is a rules-light generic role-playing game (RPG) written, designed and illustrated by S. John Ross of Cumberland Games and Diversions. Risus is available free on the web. It was first published online in 1993. Earlier versions of the game were titled GUCS: The Generic Universal Comedy System (a parody of GURPS) and were distributed privately beginning in 1989.