More than a year has passed since the apocalypse began.
Humanity is almost wiped out, but there are still survivors seeking shelter to hide from the zombies.
You and your team have been hiding in an old prison for days, but they have discovered you and are now trying to break in to turn you into zombies too.
You must quickly find a way out of your sector before it's too late.
But be on your guard, the undead are lurking everywhere, waiting for you!