: The defining mechanic is the "zombie pyramid," where hundreds of "Zekes" climb over one another to reach players on high ground.

The game is a four-player cooperative third-person shooter (with an optional first-person mode introduced in Aftermath ). Players choose from eight unique classes, such as the , Exterminator , or Dronemaster , each with customizable loadouts and perks.

The January 2023 update was a turning point for technical performance and content: