2001 · ソースブック（プレイを拡張するルール／オプション）
The Department of Extranormal Operations Agent Manual
This roleplaying game supplement details the Department of Extranormal Operations, including key personnel, field resources, and the department’s main headquarters. It also includes metahuman files for recording player character information and other useful reference materials.
ダイス（主にd6）
無料・Web、Android、iOS対応
LudoyaでThe Department of Extranormal Operations Agent Manual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。