Forge World is a fictional setting in the Warhammer 40,000 universe, known for its massive factories and advanced technology. It is primarily inhabited by the Adeptus Mechanicus, a religious organization dedicated to the worship of technology and the Machine God. These worlds are crucial for producing weapons, vehicles, and other equipment for the Imperium of Man. The inhabitants of Forge World often engage in the creation of powerful war machines, such as the iconic Titan war engines. These planets are characterized by their industrial landscapes, filled with towering smokestacks and sprawling assembly lines, reflecting their role as the backbone of the Imperium's military might.