1993 · ソースブック（プレイを拡張するルール／オプション）
Treasures of the Ancients
This supplement expands a post-apocalyptic setting in which explorers uncover the lost technology of a vanished human civilization in ruined cities, radioactive slag, and submerged sites. It details weapons, bombs, grenades, civilian and military vehicles, medical devices, robots, and an additional suit of powered armor. The equipment includes dangerous military systems, unusual vehicles, life-saving technology, and powerful robots suitable for use in Gamma World adventures.
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。