Air Defense Level 11.jpg

“Defends your city against aerial attackers.”

Levels[edit | edit source]

General Information[edit | edit source]

  • The Air Defense is a defensive building that deals damage against Airstrip units within its range.
  • The Air Defense is available in the Industrial Age.
  • Bombers can do little damage against these structures.

Statistics[edit | edit source]

Age Number Available
Industrial Age 2 (3)
Global Age 3 (4)
Atomic Age
Cold War Age
Space Age 3 (5)
Digital Age
Information Age 4 (6)
Level Build Cost Gold icon.png Citizens Needed Citizen.PNG Upgrade Time Clock.PNG Damage /Sec. Damage Range Range HP Health XP Reward Exp Age Unlocked
1 3,500,000 4 5d 300 7 5,000 2,700 Industrial Age
2 5,500,000 7d 350 5,750 3,245
3 7,000,000 8d 420 6,325 3,495 Global Age
4 8,600,000 10d 606 8,225 3,950 Atomic Age
5 10,600,000 10d 12h 728 9,460 4,055 Cold War Age
6 12,190,000 11d 872 10,879 4,225
7 14,000,000 12d 1,004 12,341 4,455 Space Age
8 15,000,000 13d 1,200 13,500 4,700
9 17,000,000 14d 12h 1,440 15,300 4,800 Digital Age
10 18,000,000 16d 5h 1,728 18,360 5,155
11 19,000,000 16d 12h 1,998 21,114 5,350 Information Age


Boosts[edit | edit source]

The Air Defense Technology at the Library confers these bonuses to the Air Defense:

  • Chapter 1 : Increases Air Defense attack by 10%.
  • Chapter 2 : Increases Air Defense health by 10%.
  • Chapter 3 : Increases Air Defense limit by 1.
  • Chapter 4 : Increases Air Defense health by 10%.
  • Chapter 5 : Increases Air Defense attack by 10%.

The Anti-aircraft Technology at the Library confers these bonuses to the Air Defense:

  • Chapter 4 : +10% Air Defense damage.
  • Chapter 5 : Increases Air Defense limit by 1.

The Radar Technology at the Library confers these bonuses:

  • Chapter 5 : Air Defense connected to the City Center by Roads have +15% attack.

Amelia Earhart at the University confers these bonuses:

  • Air Defense Damage: Increases Air Defense attack by 6% (5 levels).
  • Air Defense Hitpoints: Increases Air Defense health by 6% (5 levels).

The Air Defense blessing adds 40% damage

VIP Bonuses[edit | edit source]

Building Upgrade Resource Cost

  • Level 9 : 5%
  • Level 12 : 10%
  • Level 15 : 15%

Parliament[edit | edit source]

Base Financing: Defense

  • Reduce cost of Defense building upgrades by 3,000 ~ 85,000 Food/Gold (to a minimum of Free)

Trivia[edit | edit source]

  • Another building that can do great damage against aircraft is the Tower.
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