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DEFCON, which stands for DEFense CONdition, is the state of alertness that a region's military operates at. While a higher (more prepared) DEFCON gives unit efficiency and build rate bonuses, its costs increase significantly. A region not at war has a maximum DEFCON of 2, and a region at war has a minimum DEFCON of 3. DEFCON effects take time to implement, making a rise in DEFCON a clear sign of military preparations.

Preparedness Cost: None[]
DEFCON 5 - Peace[]
  • Efficiency Bonus: 0%
  • Build Rate: 100%
DEFCON 4 - Guarded[]
  • Preparedness Cost: Small
  • Efficiency Bonus: 5%
  • Build Rate: 100%
DEFCON 3 - Elevated[]
  • Preparedness Cost: 3x DEFCON 4
  • Efficiency Bonus: 10%
  • Build Rate: 100%
DEFCON 2 - High[]
  • Preparedness Cost: 2x DEFCON 3
  • Efficiency Bonus: 15%
  • Build Rate: 110%
DEFCON 1 - War[]
  • Preparedness Cost: 2x DEFCON 2
  • Efficiency Bonus: 20%
  • Build Rate: 120%