Includes the "Rooftop Mission" and "Creature Workshop" stages for The Mercenaries and other Extra Content modes.
You'll be facing hoards of zombies with nowhere to hide on the smallest Mercenaries stage, along with multiple instant-kill enemies, don't let your guard down! (instant-kill enemy = Ubistvo (chainsaw))
An uneven battlefield surrounded by pipes. Gain the upper hand by moving quickly up and down the stage, and finding areas where enemies can be pushed off.