Fifth Edition (2000) The 5th version of Gamma World was a supplement for the science-fiction game Alternity. (In a nod to Gamma World'''s reputation for being repeatedly revised, the book's back cover states "That's right, it's the return of the Gamma World".) The Gamma World Campaign Setting () was a 192-page softcover book written by Andy Collins and Jeff Grubb, published in 2000 by Wizards of the Coast (WOTC), only a month after WOTC announced its cancellation of the Alternity line. This version of Gamma World is unique as the only one not to have accessories or supplements.
Fifth Edition (2000) The 5th version of Gamma World was a supplement for the science-fiction game Alternity (In a nod to Gamma World'''s reputation for being repeatedly revised the book's back cover states "That's right it's the return of the Gamma World") The Gamma World Campaign Setting () was a 192-page softcover book written by Andy Collins and Jeff Grubb published in 2000 by Wizards of the Coast (WOTC) only a month after WOTC announced its cancellation of the Alternity line This version of Gamma World is unique as the only one not to have accessories or supplements