Originally Posted by AgEnT STARZz
Ok so the work bench before the power room has 5 parts for it. This creates the Sliquifier and then allows it to go into the mystery box later as only 1 person can pick it up from the work bench! Its a liquid firing gun that exploded on impact and then the liquid spills over the floor killing more zombies.
Yeah, I have a video uploading about it now. Pretty easy to kill 5 if you make a train
Here's some video guides if you'd like to use them