Serum (itch)

The last survivor of a Thriller style zombie epidemic, youre a specialist in biochemistry that locked himself, alone, in the deepest bunker of the research facility where he works, hoping to find a cure.Your hopes were not in vain. Having discovered and synthesized a small amount of a compound that will instantly return a zombiefied person to normalcy (provided they were normal to begin with), all you have to do now is make your way from the bunker to the main lab with enough serum to begin synt...