d20 Mecha Compendium is a 2003 role-playing game supplement for d20 System published by Dream Pod 9.
d20 Mecha Compendium is a supplement in which a genre‑spanning arsenal of nearly a hundred fantasy‑to‑sci‑fi mecha, complete with eleven adventure settings, world lore, campaign tools, and stats, equips gamemasters and players with ready‑to‑run machines and rules.