The dark shadow had fallen on humankind. Empty streets with bloodthirsty undead roam and searching for survivors. Turn the negative situation in your favor, and remove forever all the zombies. Obtain proper musket and break into laboratory, which holds the key to liberation. During each mission continuously move from place to place, where you advance given mission. Of course, zombies on the heels zou must remain constantly vigilant and shorten time required to charge the weapon to a minimum. Fortunately, in extreme situations, hightail it, and now use slight moment to restore lost power. For a good orientation, you always have a map by which is very easy to navigate.