1987 · ソースブック（プレイを拡張するルール／オプション）
The Klingons (2nd Edition)
An updated two-book supplement examining the Klingon Empire for players and gamemasters. The Game Operations manual covers Klingon character creation, equipment, politics, economics, philosophy, and other aspects of Klingon society. The Star Fleet Intelligence Manual presents the Federation’s known information on the Empire, based on agent reports, interrogations, and analysis of captured equipment. The set is supplied as two unboxed books.
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）ヘックスベース（移動／戦闘に六角形の地形を使用）
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。