★ A massive zombie apocalypse has taken over half the world in the span of a few months. Even though it's still going on, it has reached a stage where colonies and safe havens can be safely built and wandering zombies can be taken down bit by bit. As for how the infection operates, the longer the infected body stays infected, the more dangerous it becomes, starting off small and fast, then getting massive, slow, and destructive...at least they are only active at night...