2025 · ソースブック（プレイを拡張するルール／オプション）
Yankee Comics
This collection reprints four early-1940s adventures featuring a scientifically created patriotic super-soldier and his young sidekick as they confront grotesque Nazis and other sinister threats. The stories combine pulp superhero action with horror and macabre origin elements. It also includes d20 System rules for creating player characters with unusual or disturbing origins inspired by the featured heroes.
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。