Teotihuacan Expansion Period Stategy GameTeotihuacan is expanding into an empire! The city is growing beyond its old borders, military expeditions project its influence all the way to the Yucatan Peninsula. Fighting men become settlers, new resources are discovered, and the wealth brought by obsidian draws in new discoveries. Teotihuacan: Expansion Period is a modular expansion for Teotihuacan: City of Gods. It introduces several new options to enrich and expand the game experience. Obsidia