strategies:
1, tank plus MJ at the samt time give tank time to kill strong units wile MJ infects all nearby things
2, COL makes swarms of chickens. hide him from enemy units so he can create a swarm of chickens before dying
3, santa... not much to say except he does well by himself
4, venom and McD do well as a combo because while McD lays burgers venom stuns nearby threats and make zombies
beat on a different website(not armor games, omg) fell in love with it. mg personally is better than boomstick and reload upgrade is more important than ammo upgrade
global warming isn't a huge hazard like everyone believes, all it does is make weather a bit more extreme as far polar caps melting; it got a tiny bit too warm and now it can't stay frozen