Zombies are not the only threat to humanity. The world is full of monsters and evil creatures that want to destroy the humans. You are the only person who can stop them and save the humanity from destruction. You are the commander of the special team that is hired to eliminate all the threats to humanity. The team consists of a special doctor who is responsible for creating the virus that turns the humans into zombies, and the soldiers who are responsible for killing all the zombies in the world.

It is your mission to save innocent humans from being turned into monsters by performing experiments on prisoners, and creating a vaccine to stop the deadly virus.