Gamma World d20 (6th Edition)
Players create characters and explore a post-apocalyptic science-fiction setting using the d20 Modern roleplaying system. The game is presented across three hardcover manuals covering character creation, rules, and the setting.
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LudoyaでGamma World d20 (6th Edition)を遊ぼう
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。