Gamma World: A History
The first edition of Gamma World was followed by six more editions, the latest Gamma World (4th edition based) was released in October 2010.
Gamma World 2nd edition (1983). Reagan was busy putting an end to the arms embargo with Guatemala, and TSR was producing four-packs of Miniatures for use with this version of Gamma World.
Gamma World 3rd edition (1985). TV history was made VH-1 aired it's first video, while the role-playing world was changed by a color-coded "Action Control Table". This was added to the Gamma World mechanics, following in the footsteps of several other game systems. This edition was rife with editorial errors which prompted the release of a rules supplement to anyone who requested it by mail.
Gamma World 4th edition (1992). Rowdy Roddy Piper beat Mountie to become WWF Intercontinental Champ, and TSR abandoned the "Action Control Table" for Gamma World, making it work like AD&D 2nd edition. The released 5 supplements, and a year later announced that nothing further for this edition would be published.
Gamma World 5th edition (2000). This product came after humanity breathed a collective sigh of relief at the fact that Y2K didn't bring disaster to the computers of the world, and after Wizards of the Coast took over. There were no supplements for this release.
Gamma World 6th edition (2003). Arnold Schwarzenegger is elected the governor of California, and Sword and Sorcery Studios licensed Gamma World from WotC, and produced the 6th edition, using the d20 modern system.
Gamma World 7th edition (2010). Writer Matt Conlon joins Brighthub.com as their newest writer, much to the chagrin of its readers and a few of it's editors, and Wizards of the Coast put out their latest rendition Gamma World. 4th edition rules apply.