Tools

Interactive tools to help you understand Paradox grand strategy games.

EU4

EU4 Trade Node Map

Explore how trade value flows through EU4's node network.

EU5

EU5 Army Battle Lab

Compose an army, fight the AI, and learn exactly why you won or lost.

EU5

EU5 Siege Lab

Run an EU5 siege, tilt the dice with artillery, breaches, and blockades, and learn why the fort fell or held.

CK3

CK3 Start Selector

Answer three questions or tap the 1066/867 map to find the starting character you should actually play, with difficulty and a first goal.