The Serum: Aftermath - Will you survive? Your mission is easy: Shoot the undead when picking up products and running. This is the best zombie apocalypse and you are in the middle! Don't worry, you will have a teammate to help you. Have a good time!
Controls: W/A/D = Move, Q = Change weapon, R = Reload weapon, E = Unleash serum, Spacebar = Action, Mouse = Aim and shoot.