2002 · ソースブック（プレイを拡張するルール／オプション）
Of Places Most Foul
A collection of horrific, self-contained adventures for d20 fantasy campaigns, designed for one or two sessions and covering mid- to high-level characters. Each scenario runs independently and introduces frightening locations, inhabitants, and challenges. The book also includes foul locales that can be placed in a city or the countryside. Each details a sinister setting, its occupants, and adventure suggestions for adding a dark, horrific element to an ongoing campaign.
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。