DEFENSE

Sniper : Unlocked Level HQ 1

Machine Gun : Unlocked Level HQ 4

 Mortar : Unlocked Level HQ 3

Cannon : Unlocked Level HQ 6

Landing Craft : Unlocked Level HQ 1

Gunboat : Unlocked Level HQ 1

Boom Cannon : Unlocked level HQ 12

FlameThrower : Unlocked Level HQ 9

Mines : Unlocked level HQ 1