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.
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Gamma World d20 (6th Edition)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。