Base Defense
Mobile tower
Mobile Guard Tower
Mobile domedsentry
Domed Defense
Mobile rallyflag
Rally Flag
Mobile landmine
Mobile artillery
Mobile patriot
Mobile shockmine
Shock Mine
Mobile barrage
Metal Rain
Mobile railgun
Mobile wall
Mobile wall
—Image © Zynga
Walls are used to enclose and protect vital base structures and control movement of enemy forces. The amount of damage they can sustain before breaking increases as they are upgraded.
General Costs
Level 0
HPMobile hp black 100
HQ level1
Level 1
CostMobile resourcesupply black 100
HPMobile hp black 180
HQ level1
Level 2
CostMobile resourcesupply black 400
HPMobile hp black 200
HQ level3
Level 3
CostMobile resourcesupply black 1500
HPMobile hp black 240
HQ level5
Level 4
CostMobile resourcesupply black 4600 Mobile resourcesteel black 900
HPMobile hp black 384
HQ level7
Level 5
CostMobile resourcesupply black 12200 Mobile resourcesteel black 3700
HPMobile hp black 560
HQ level9
Level 6
CostMobile resourcesupply black 28600

Mobile resourcesteel black 12k

Mobile resourcetech black 1900
HPMobile hp black 750
HQ level11
Level 7
CostMobile resourcesupply black 59600

Mobile resourcesteel black 32700

Mobile resourcetech black 8600
HPMobile hp black 1040
HQ level13
Level 8
CostMobile resourcesupply black 110k

Mobile resourcesteel black 75300

Mobile resourcetech black 31200
HPMobile hp black 1326
HQ level15
Level 9
CostMobile resourcesupply black 225k

Mobile resourcesteel black 195k

Mobile resourcetech black 141k
HPMobile hp black 2034
HQ level18
Level 10
CostMobile resourcesupply black 318k

Mobile resourcesteel black 307k

Mobile resourcetech black 293k
HPMobile hp black 2540
HQ level20
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Walls are structures that passively protect other base structures by either blocking movement of enemy forces or by acting as a shield against anything that can't shoot over the wall. Walls are best at one thing only and that is to slow the enemy from destroying important base structures. However, smart wall placement can effectively funnel enemy forces away or towards certain areas such as into the firing range of multiple base defenses. With appropriate placement of walls and buildings with the use of trees, walls can become a force to be reckoned with.

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