1988 · ソースブック（プレイを拡張するルール／オプション）
Agent 13 Sourcebook
A roleplaying sourcebook for Top Secret/S.I. set against the pulp-adventure world of the 1930s. It presents a campaign involving the Brotherhood, a conspiracy seeking to bring the world under its control, along with villains, heroes, espionage, and daring escapes. Additional material supports adventures featuring G-Men pursuing gangsters, masked crimefighters, explorers seeking lost civilizations, and private investigators taking dangerous cases. The sourcebook provides background and scenarios for expanding play across several 1930s adventure genres.
- プレイ人数
- 0
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d10）
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。