Greg Costikyan
Greg Costikyan has written at least 12 books. Their most popular book is Black Heart, Ivory Bones with 9 saves with an average rating of 3.5⭐.
 Black Heart, Ivory Bones | 3.5 | 2 reads | |
 Uncertainty in Games
| 4 | 4 reads | |
 The Roleplaying Game
| 3.5 | 4 reads | |
 The Bones The Bones | 0 | 0 reads | |
 Paranoia
| 4 | 2 reads | |
 Another Day, Another Dungeon
| 3 | 1 read | |
 Toon Toon: The Cartoon Roleplaying Game Deluxe Edition
| 5 | 1 read | |
 Paranóia
| 2 | 1 read | |
 Toon: O RPG no Mundo dos Desenhos Animados
| 2 | 1 read | |
 One Quest, Hold the Dragons
| 0 | 0 reads | |
 Star Wars Star Wars: The Roleplaying Game
| 4 | 1 read | |
 The Game Design Reader: A Rules of Play Anthology | 0 | 0 reads |