2005 · 资料书（用于增强玩法的规则/选项）
Prototype: Cleaner
A d20 Modern player character class centered on professionals who clean up criminal messes and eliminate unwanted evidence. The class fits campaigns involving organized crime, cover-ups, disappearances, and other illicit jobs, using methods ranging from firearms to industrial equipment. This four-page PDF is designed for integration into an existing campaign.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Prototype: Cleaner
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。