Originally Posted by
philly and the phanatics
my strategy once everything is all open and i have enough to get the upgrade is once i have gone in the teleporter just toss mad nades (you will def leave a crawler) and then as soon as it teleports you back you just run infront of you and hit the trap and then slay all the zombies around you....then after that you just go and set up some claymores next to the teleport, get it all linked up again, kill crawler, wait in teleport for all zombies to be coming at you and then teleport.....toss mad nades...repeat