The game takes place in a world overrun by undead creatures, where the player's goal is to survive and eliminate as many zombies as possible.
The gameplay involves shooting and fighting off waves of zombies that come in various forms, from slow-moving to fast and agile. The player must use a variety of weapons and ammunition to take down the zombies, all while navigating through a series of increasingly difficult environments.
The objective is to progress through each level, killing a set number of zombies before the player's character dies. The game runs in the browser without download or registration, allowing players to jump into the action quickly and easily. With each new wave, the difficulty level increases, requiring the player to adapt their strategy and make quick decisions to survive.