| Acute Paranoia | 1984 | West End Games | Greg Costikyan | RPG | Paranoia | EFUN-ORDER (EN) | | 10.01.07 | |
| Air Cav | 1985 | West End Games | Joseph (Joe) M. Balkoski Greg Costikyan Tony Merridy | War | | BoardGameGeek-INFO (EN), EFUN-ORDER (EN), EZ (EN) | | 10.01.07 | |
| Armada | 1979 | SPI Strategy and Tactics | Greg Costikyan Eric Goldberg Sterling S. Hart | War | S&T | BoardGameGeek-INFO (EN), EZ (EN) | | 10.01.07 | |
| Barbarian Kings | 1980 | SPI Ares | Greg Costikyan | War | Ares | BoardGameGeek-INFO (EN), EZ (EN), EZ (EN) | | 10.01.07 | |
| Barbarian Kings | 1980 | Jolly Roger Games | Greg Costikyan | War | | BoardGameGeek-INFO (EN), EZ (EN), EZ (EN) | | 10.01.07 | |
| Bug-Eyed Monsters | 1983 | West End Games | Greg Costikyan | Board | | BoardGameGeek-INFO (EN), EFUN-ORDER (EN) | | 10.01.07 | |
| Dark Emperor | 1985 | Avalon Hill Game Company | Greg Costikyan | Board | | BoardGameGeek-INFO (EN), EZ (EN), INFO-INFO (EN) | | 10.01.07 | |
| Death Maze | 1979 | SPI | Greg Costikyan | Board | | BoardGameGeek-INFO (EN) | | 10.01.07 | |
| MadMaze | 1989 | Prodigy Services Inc. | Greg Costikyan Eric Goldberg | Board | | | | 10.01.07 | |
| Megacorps | 2009 | Z-Man Games | Greg Costikyan | Board | | ReichDerSpiele (DE), Spielphase (DE) | EUR 35.00 | 02.06.10 | |
| Paranoia | 1985 | West End Games | Greg Costikyan Dan Gelber Eric Goldberg Paul Murphy Ken Rolston | RPG | Paranoia | EFUN-ORDER (EN), EGQ (EN) | | 11.01.07 | |
| Pax Britannica | 1985 | Victory Games | Greg Costikyan | Board | | EFUN-ORDER (EN), EGQ (EN), EZ (EN), INFO-INFO (EN) | | 11.01.07 | |
| Reinventing America | 1995 | Crossover Technologies | John M. Astell Greg Costikyan Kevin J. Maroney | Board | | | | 09.01.07 | |
| Return of the Stainless Steel Rat.The | 1982 | SPI | Greg Costikyan | Board | | EZ (EN) | | 10.01.07 | |
| Star Trek III | 1984 | West End Games | Greg Costikyan Roger Ford Doug Kaufman | Board | | WestparkGamers (EN) | | 10.01.07 | |
| Star Trek: The Adventure Game | 1984 | West End Games | Greg Costikyan | Board | | ER (EN) | | 10.01.07 | |
| Star Wars | 1985 | West End Games | Greg Costikyan | Board | | | | 10.01.07 | |
| Supercharge | 1976 | SPI | Greg Costikyan | Board | | EZ (EN), EZ (EN) | | 10.01.07 | |
| Swords & Sorcery | 1978 | SPI | Greg Costikyan Eric Goldberg | Board | | EZ (EN) | | 10.01.07 | |
| The Creature that ate Sheboygan | 1979 | SPI | Greg Costikyan | Board | | BoardGameGeek-INFO (EN), EZ (EN) | | 16.08.07 | |
| The Price of Freedom | 1985 | West End Games | Greg Costikyan | Board | | | | 16.08.07 | |
| The Willow Game | 1987 | Tor Books | Greg Costikyan | Board | | G@mebox (EN) | | 16.08.07 | |
| Toon | 1983 | Steve Jackson Games | Greg Costikyan Warren Spector | RPG | | | | 10.01.07 | |
| Trailblazer | 1981 | Metagaming | Greg Costikyan | Board | | EFUN-ORDER (EN) | | 10.01.07 | |
| Vector 3 | 1979 | SPI | Greg Costikyan | Board | | | | 09.01.07 | |
| Web & Starship | 1984 | West End Games | Greg Costikyan | Board | | DAP-ACC (DE), EZ (EN) | | 10.01.07 | |
| Your own private Idaho | 1985 | West End Games | Greg Costikyan | Board | | | | 10.01.07 | |