1997 · ソースブック（プレイを拡張するルール／オプション）
Underworld Sourcebook
A sourcebook detailing the four major international criminal syndicates—the Mafia, Yakuza, Triads, and Seoulpa Rings—along with gangs, terrorists, assassins, and other organizations operating outside the law. It covers their markets, practices, traditions, histories, and secret rituals, with guidance for building organized-crime campaigns and adapting them to local settings. The book includes alternate rules for playing syndicate members, as well as adventure hooks, story starters, background information, and campaign material for Shadowrun.
- プレイ人数
- 0
- 複雑さ
- 2.4 / 5
属性／ステータス制（STR、CON、PERなど）スキルベース（スキルを購入または獲得）ダイス（主にd6）
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。