2021 · ソースブック（プレイを拡張するルール／オプション）
Specialist Forces
This supplement expands mercenary operations with rules and equipment for specialist troops, including anti-armour, anti-aerospace, reconnaissance, commando, engineering, heavy weapons, security, intelligence, and other non-combat formations. It also covers protected forces, chemical and nuclear warfare, stealth and special operations, and boarding actions. Additional material introduces Starmercs, including starship-based forces, specialist mercenary assignments, and modules for converting conventional ships into mercenary transports. Requires the Mercenary box set.
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。