Wild Cards "Wild Cards" was adapted into a role-playing game format by Steve Jackson Games. Written by John J. Miller and published in June 1989, the sourcebook used GURPS Supers rules and contained descriptions of sixty of the characters. A supplement titled "Aces Abroad", written by Kevin Andrew Murphy, was released in 1991. Green Ronin Publishing published "Wild Cards Campaign Setting", written by Miller, for its "Mutants & Masterminds" RPG in August 2008; the game debuted at Gen Con that year. Two supplements were released: an adventure anthology titled "All-in" and a character book titled "Aces & Jokers". A four-issue "Wild Cards"
Wild Cards Wild Cards Wild Cards is a series of science fiction superhero shared universe anthologies, mosaic novels, and solo novels written by a collection of more than forty authors referred to as the Wild Cards Trust and edited by George R. R. Martin and co-edited by Melinda M. Snodgrass. Set largely during an alternate history of post-World War II United States, the series follows humans who contracted the Wild Card virus, an alien virus that rewrites DNA and mutates survivors; those who acquire crippling and/or repulsive physical conditions are known as Jokers, while those who acquire superhuman abilities are known as