How to Change Zombie Spawn Rates on your Project Zomboid Server

Adjusting Zombie spawn rates on your Project Zomboid server can allow you an alternative way to change the difficulty, having the possibility to both increase and decrease the amount of spawns on your server.
After playing Project Zomboid on your new Shockbyte server, you may feel like you want to adjust the rate of zombie spawns. Fortunately, this is a configurable option within a specific file on your Project Zomboid server.

How to Adjust Zombie Spawn Rates

To modify zombie spawn rates on your Project Zomboid server, you will need to find the world_SandBoxVars.lua file and adjust the PopulationModifier option.

  1. Access your control panel and Stop your server.
  2. Navigate to Files > FTP File Access and log in.
  3. Navigate to /Zomboid/Server and click Edit next to the world_SandBoxVars.lua file.
  4. Locate PopulationModifier on line 591, and make your adjustments. A higher number will result in higher spawn rates (0.0 will disable zombie spawning).
  5. Save and Start your server.

Should you like to learn more about what you can configure in your Project Zomboid server, please visit this wiki page.

If you require any further assistance, please contact our support at:

Mitchell Smith

Managing Director @ Shockbyte

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