“Red Code! I repeat it's Red Code! The Zombie War, it's happening! We're being attacked by a huge wave. Defender team, get on the turret NOW!”

In 2113, the zombie apocalypse has thrown humanity into the most horrible disaster, a tremendous War, which turned human beings into bloodthirsty zombies. By fighting against endless waves of zombie attacks, you, along with a hero squad, are the light in those darkest days. Your mission? Keeping the civilization safe by building the last shelter as strong as possible, boosting heavy weapons, and assembling a legendary hero team.