Patrician IV is a historical trading simulation and strategy game, the sequel in the Patrician series developed by Gaming Minds Studios. Players assume the role of a merchant in late medieval Northern Europe aiming to become Elderman, the leader of the Hanseatic League. The core gameplay loop involves building production facilities, establishing a merchant fleet, and increasing political influence to found towns. Success requires navigating economic competition, price wars, sabotage, and the threat of piracy from rivals.The game simulates complex systems including trade routes, political events, and environmental factors like disease and weather. Players can develop towns from villages into capitals by constructing buildings and managing demand for goods. Combat mechanics are included for defending fleets against pirates. Patrician IV utilizes a new graphics engine to render realistic medieval cities and features a user-friendly interface.