Greg Costikyan

Uncertainty in games

2018

Star Wars

1987

Sources of Uncertainty

2014

First contract

2001

By the sword

1994

谜

2017

Toon

1991

The Willow Game

1988

Tabletop

2011

Space O.P.A.

2003

Paranoia XP

2005

Paranoia (Paranoia - the RPG)

1986

Paranoia [BOX SET]

1987

One Quest, Hold the Dragons (Cups and Sorcery, No 2)

1995

Horsemen of the Apocalypse

2000

By The Sword (Magic of the Plains)

1994

Another Day, Another Dungeon (Cups and Sorcery, Book 1)

1990