Another Weird Universe

Super Arena v3

A little web game that lets players create superhuman gladiators and do battle.

Fortune and Power

A set of game mechanics intended for use with various homebrewed low-to-mid fantasy settings.

Hursagmu

A swords-and-sorcery fantasy game.
Fight monsters and horrors in a young world.

Forbidden Space

A game based on 1950's B-movie sci-fi.
Fight Communists in outer space with your atomic ray gun!

Phi Chess

A Chess variant on a 13x8 board.
Jacks and Fools join the orthodox pieces in a powerful array.

Bookworms and Bastards

A little game based on the idea that fighting monsters in dungeons is fun.
Kill things and take their stuff.
A hack-and-slash wet dream come true.

Basic and Advanced versions.

WEG Hero

A semi-serious attempt to blend the complex and flexible chargen of Hero System with the simple mechanics of West End Games's classic D6 system.

Action Resolution System Engine

The most powerful and flexible RPG ever created.

Dice Probability Calculator

Ever wondered whether 4d6 was better than 3d8?

Archives

Contains old versions of the above and miscellaneous other stuff.

A New World, Unordered