Core Keeper

Config Generator

Fill in the fields below to generate a ready-to-use ServerConfig.json for your Core Keeper dedicated server. For the full setup walkthrough -- getting the server files, required ports and starting it up -- see the Core Keeper setup guide. Not sure your hardware is up to it? Check compatibility first.

Core Keeper's main dedicated-server settings file. Password, IP and port aren't set here -- they're passed as -password, -ip and -port launch flags instead.

Source: Community-documented (Pugstorm doesn't publish a formal reference); confirmed against the real shipped ServerConfig.json structure.

World Name

Max Players

World Slot (0-29)

World Mode

World Seed (0 = Random)

ServerConfig.json preview

{
  "worldName": "Core Keeper Server",
  "maxNumberPlayers": 8,
  "world": 0,
  "worldMode": 0,
  "worldSeed": 0
}

Source: Community-documented (Pugstorm doesn't publish a formal reference); confirmed against the real shipped ServerConfig.json structure.

Server running but nobody can join?

A wrong or missing setting in this file isn't the only reason players can't connect -- see the connection troubleshooting guide for port forwarding, firewall and CGNAT issues.