It was a usual day. You were working at the lab and didn’t expect anything terrible to happen. But one of the experiments went wrong and all the staff turned into zombies! Everyone else had evacuated, but you didn’t hear the alarm because you were too busy with your project. When you walked out, you discovered that you are all alone in the building and there are horrifying monsters everywhere! They are coming for you and all you can do now is run as fast as you can. Rush down the intricate corridors and winding staircases, open locked doors and escape before they eat you alive!