A Place for Experiments

Dr. Allison is a serial killer. He kidnaps people to make experiments on them, creating mindless zombies and creatures that shouldn't exist. He killed your children. The authorities didn't do anything about it, but finally, finally you've found Allison's hiding place. You have to kill him. Try to find and open the entrance of Allison's base, while hiding from his gigantic monster. Try to be as qu…