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 & 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.