Greg Costikyan
American game designer · United States · On the map · Writers · Born 1959 · age 67
Greg Costikyan, sometimes known under the pseudonym Designer X, is an American game designer and science fiction writer. Costikyan's career spans nearly all extant genres of gaming, including: hex-based wargames, role-playing games, boardgames, card games, computer games, online games, and mobile games.
Greg Costikyan is read about 29 times a day, in 12 languages.
A typical day, 30 days to 24 August 2026
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Several of his games have won Origins Awards. He co-founded Manifesto Games, now out of business, with Johnny Wilson in 2005.
