2005 · ソースブック（プレイを拡張するルール／オプション）
Mind of a Madman
A dark, adult-oriented sourcebook about serial killers and violent crime in a modern d20 setting. It presents background material for incorporating serial killers into a campaign, with a focus on the reality and brutality of such crimes rather than glorification. The material is designed for use with a gritty urban campaign and can be adapted to other modern d20 games. It contains no rules for playing serial killers and is intended for responsible adult audiences.
スキルベース（スキルを購入または獲得）属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）
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。