Project Zomboid cracked multiplayer refers to modified versions of the game that allow players to bypass the official multiplayer restrictions and play with others without having to purchase the game or subscribe to the official multiplayer service. These cracked versions often use third-party software or modified game files to enable multiplayer features.

The host selects the Host option from the main menu and configures server settings, such as RAM allocation (recommended 2GB base + 500MB per player).