2005 · ソースブック（プレイを拡張するルール／オプション）
Templar Knights
This supplement details the history, legends, and secret agendas of the Templar Knights in the 1948 campaign setting. It explores locations and mysteries including Oak Island, Tomar, Rosslyn Chapel, and Lord Sidon, along with the order’s allies, enemies, artifacts, and role in the global war against demons, aliens, witches, occultists, undead, and the Axis powers. It includes descriptions of treasures such as the Holy Grail, the Ark of the Covenant, and the Stone of Destiny; d20 statistics for a Templar Knight prestige class; two divine spells; and 11 illustrations, including a map of Oak Island.
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。