"Europa Universalis IV" is a grand strategy game that lets players take control of a nation and guide it through the ages. Players can choose to focus on military, economic, or diplomatic strategies as they lead their nation from the Early Age to the Modern Era. The game features a wide variety of gameplay mechanics, including a custom nation builder, a trade system, and a diplomatic system. "Europa Universalis IV" also includes a number of historical scenarios, letting players experience some of the most important moments in world history.