2010 · ソースブック（プレイを拡張するルール／オプション）

GURPS Low-Tech Companion 2: Weapons and Warriors

This supplement expands rules and reference material for warfare from TL0 through TL4, covering the development of combat from stone axes to pike, shot, and cannon. It includes guidelines for customizing weapons, shields, and armor; tracking equipment damage; and organizing the transport of infantry, cavalry, and naval forces. Additional material covers fortifications, siege equipment, and early warships ranging from penteconters to frigates, supporting campaigns focused on historically grounded warfare.