2003 · ソースブック（プレイを拡張するルール／オプション）
Metal Wars
A sourcebook for a fictional 1980s animated series about heroic transforming robots, their human allies, and the villainous machines opposing them. It expands the rules for creating and playing giant transforming robots, provides setting and production history, and presents profiles for the Transbots, Warbots, and supporting characters. The book also includes a darker comic-book interpretation of the series and a complete episode for roleplaying.
スキルベース（スキルを購入または獲得）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。