Survive the infinite waves in the labs courtyard! Random waves that include fast and tough zombies! Find the secret control to open get mythic weapons or get one from the box! Use the mystery box to progress to a further time and see how long you can last!

Major Update!

⚪Added more weapons to mystery box
⚪Added more vending machines including health
⚪Added upgradeable shotgun
⚪Added the ability to call supply drops
⚪Added permanent upgrades that pass through different games