Defensive Units

Defensive Units are created on the Wall and serve to destroy enemy troops that attack your city. 

	Bear Trap	Barbed Wire	Spike Strip	Watchtower
Strength vs. Infected	Weak vs. Infected	Strong vs. Infantry Weak vs. Infected	Strong vs. Vehicles Weak vs. Infected	Strong vs. Demolitions
Upkeep:	0	0	0	0
Attack:	0	1	1	1
Defense:	1	1	1	1
Health:	1	1	1	1
Power:	1	2	2	2

	Razor Wire	Barricades	Trip Wire
Weak vs. Infected	Strong vs. Infantry	Strong vs. Vehicles	Strong vs. Demolitions
Upkeep:	0	0	0
Attack:	2	2	2
Defense:	2	2	2
Health:	2	2	2
Power:	4	4	4

	Mines	Mortar	Sentry Turret
Weak vs. Infected	Strong vs. Infantry, Vehicles	Strong vs. Vehicles, Demolitions	Strong vs. Demolitions, Infantry
Upkeep:	0	0	0
Attack:	3	3	3
Defense:	3	3	3
Health:	3	3	3
Power:	8	8	8

	Machine Gun Nest	RPG Nest	Sniper Nest
Weak vs. Infected	Strong vs. Infantry	Strong vs. Vehicles	Strong vs. Demolitions
Upkeep:	0	0	0
Attack:	4	4	4
Defense:	4	4	4
Health:	4	4	4
Power:	16	16	16