The game takes place in a post-apocalyptic world overrun by zombies. Players are tasked with surviving as long as possible against increasingly difficult hordes of undead.
The gameplay revolves around shooting and survival mechanics. Players must scavenge for food and ammunition while avoiding or dispatching zombies that get in their way. The core mechanic is the need to defend a safe location from zombie invasions, using whatever resources are available to fend them off.
The objective is to survive as long as possible in a environment that is constantly becoming more hostile. The game runs in the browser without the need for download or registration, making it easily accessible to players who want to test their survival skills. As players progress, the zombies become more aggressive and the gameplay becomes more challenging, requiring quick thinking and fast reflexes to stay alive.