2024 · ソースブック（プレイを拡張するルール／オプション）

Codex Sinarum

This roleplaying sourcebook explores the mythology, history, and cultures of Ancient China using the Castles & Crusades Siege Engine system. It traces a narrative from the creation of the universe through the Mongol invasion, with locations drawn from Chinese legend and history. Reference chapters detail mythical beasts, gods, wizards, hermits, and warriors, along with physical and supernatural combat styles for use in adventures set within this mythic world.