2008 · ソースブック（プレイを拡張するルール／オプション）
Supporting Cast: Precinct 21
This roleplaying supplement details a police precinct for use in a gleaming metropolis or urban dystopia. It includes backgrounds and game statistics for four major characters: a disgraced police officer turned private investigator, a GSWAT commander, a K-9 officer, and a crime scene investigator, along with optional four-color elements. The supplement also provides Heroic Cop and Heroic Detective templates, details on GSWAT equipment, eight adventure hooks, and guidance for incorporating the precinct into an existing campaign or using it as a source of character drama and crime-focused adventures.
スキルベース（スキルを購入または獲得）ポイント制（ポイントを割り振ってスキルや能力を得る）属性／ステータス制（STR、CON、PERなど）
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。