(adsbygoogle = window.adsbygoogle || []).push({}); what we did was we would make a path to the random box as fast as we could. once we had decent guns we would then buy juggernog and speed cola. eventually you will get the guns you want and pack a punch them. after that we would link all of the teleporters. after all of the teleporters are linked, we would camp in the top right teleporter and wait for the zombies to come. when they began to overwhelm us, we would teleport, pick up the little treat and head to the south teleporter. all of the zombies would then funnel to one door. then when we were overwhelmed again, we would teleport and head to the top right one again. me and my buddy just kept repeating this and we got to level 31. hope this works for you and you dont run into any super zombies

yeah we would get a dog once and a while but not that often. this works really well for us. we try to have ray gun, wanderwaffle, and a mg. only reason we died was because we ran out of ammo. and the super zombies thing is the one hit wonders. lost my perks a couple of times