A simple tabletop rules engine.
A primer on (traditional) tabletop roleplaying gaming.
A quick generator of anti-canon relations.
A Tabletop RPG Design Toy
A system of magic for tabletop roleplaying.
A rules engine for tabletop roleplaying.
Procedural Tabletop Fantasy Setting Builder
A series of fill-in-the-blanks situation generators.
A theoretical glossary for tabletop roleplaying.
A Tunnel Goons Variant And Adventure
A ball sports board game
An series of abstract mini-chesslike games, print and play.