2015 · 资料书（用于增强玩法的规则/选项）
Psi Files: Grey Ops
This Mutants & Masterminds resource presents Grey Ops, an extraterrestrial special-operations unit working for the U.S. government’s Paranormal Security and Investigation agency. The team consists of four surviving alien agents from the 1947 Roswell crash: commander Ike, deputy Betty, technical expert Pat, and the unpredictable Mac. The supplement provides background information, character write-ups, illustrations, and printable standees for use in paranormal and extraterrestrial adventures.
技能型（购买或获得技能）基于点数（分配点数以获得技能、能力等）基于特质/面向（个性影响游戏玩法）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Psi Files: Grey Ops
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。