Geographic Efficiency

  Geographic Efficiency (“Geo”) is a measure of how efficiently energy and materials can be transported throughout your nation’s territories. A nation will have good Geographic Efficiency if most of its territory is in the form of a small number of large,...

Energy

  A nation uses energy to maintain its defenses. Every defense that a nation builds costs a certain amount of energy each hour to maintain, and a nation generates energy continuously. It’s important to avoid building so many defenses that your nation burns more...

Salvaging Defenses

  Eventually you will want to tear down some of the defenses you’ve built, perhaps to rebuild them elsewhere, replace them with a new configuration of defenses, or relocate your nation’s territory to a different part of the map. This is called salvaging the...

Upgrading

  Some advances unlock upgrades for defenses that your nation can build. For example, developing the advance Steel Construction will allow your nation to develop the advance Wall II. Having developed Wall II, you can upgrade any Wall that you build to Wall II. To...

Building Walls and Defenses

  The most important aspect of staging a strong defense is building walls and other defensive structures. A starting nation can build a basic stone wall, as well as a primitive cannon. As a nation develops, it can research advances that unlock the ability to...