Description：Build strong defenses and lead your troops to victory against Kron Corporation\’s invasion in this action-packed tower defense game

Instructions：- Use your mouse to create defense units and position them on the map\ \ Hotkeys *\ \ B : Barracks\ \ F : Factory\ \ C : Air Command\ \ X : Mine\ \ T : Trooper\ \ G : Grenadier\ \ K : Marksman\ \ E : Elite Trooper\ \ N : Machine Gun Turret\ \ A : Artillery Cannon\ \ R : Grenade Launcher\ \ L : Laser Cannon\ \ M : Missile Launcher\ \ S : Plasma Cannon\ \ D : Disruptor\ \ I : Ion Cannon\ \ 1-4 : Air Strikes