1999 · ソースブック（プレイを拡張するルール／オプション）
GURPS Traveller: Star Mercs
A military-focused supplement for campaigns in the Traveller universe, covering combat and the life of a soldier in the 57th century. It explains how to recruit, organize, and equip a mercenary unit, with rules of war, discussions of strategy and tactics, and equipment for outfitting troops. The supplement includes deck plans for an 800-ton Broadsword-class mercenary cruiser, character templates for military and mercenary soldiers, sample missions, and units and non-player characters such as Imperial Marines.
スキルベース（スキルを購入または獲得）ポイント制（ポイントを割り振ってスキルや能力を得る）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。