Samurai
Adventurer
IMHO, 4th edition was the best. A few tweaks were needed (what game doesn't?), but it had the classic feel, loads of cool powers, sentient plants and animals, robots, etc. The Alternity version was a pretty major change in the feel of the game (no robots, no plants, etc), and the 6th ed/d20 version was a massive departure from the traditional stuff. It had very few mutant powers, few or no rules for mutant plants or animals, and added nanotech "magic", among other things.
I think if you are looking to recapture the old Gamma World you remember, the Alternity and d20 versions might be big disappointments for you... Go with 4th ed.
I think if you are looking to recapture the old Gamma World you remember, the Alternity and d20 versions might be big disappointments for you... Go with 4th ed.
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