2008 · ソースブック（プレイを拡張するルール／オプション）
Folding Circle (OGL 3.5)
This supplement details the Folding Circle, a feared criminal organization in the world of Exodus. It covers the group’s history, goals, agenda, relations with other factions, and the background of its leader. The book presents five leadership members, each with multiple challenge-rating versions, along with four new protege feats, counters, initiative and monster cards, and a NeoExodus character sheet. The organization favors precise strikes carried out by small groups of powerful individuals.
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。