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Core Keeper server settings: every option explained

Core KeeperUpdated Oct 5, 20264 min read

These are the options on the Settings, Game Settings page of a PlayNHost Core Keeper server, taken from the panel's own definitions. Rows marked read only are set by your plan or the server and cannot be changed.

All settings

SettingWhat it doesAllowedDefault
World IndexWhich save slot the server loads. 0 is the first world. Keep several worlds on one server by giving each its own index and switching between them here. Default: 0.a number of at least 00
World NameThe name of your world, shown in-game. Default: Core Keeper Server.3 to 100 characters, no double quotes or backslashesCore Keeper Server
World SeedThe number your world's terrain is generated from. The same seed always builds the same world, so change it if you want a layout nobody else starts on. Only read the first time a world is created. To build a fresh world from a new seed, also point World Index at an unused slot. Default: 0.a number of at least 00
Game IDThe code friends use to find your server - Core Keeper players join by Game ID rather than by IP address. Between 15 and 28 characters, letters and numbers only, excluding Y, y, x, 0 and O. Leave this empty and the server picks a code for you and prints it in the Console tab; set your own here if you would rather the code never change.15 to 28 characters, letters and numbers, not Y, y, x, 0 or Oempty
Hard modeOff = normal world, On = hard mode. Read when the world is first created.on or offoff
Auto UpdateCheck for a game update each time the server starts. Turn this off only if you need to stay on a specific build for mod compatibility.on or offon
Max Players (read only)The player limit included with your plan. This field is read-only. To run with fewer players, click Players on your server overview and pick any number up to your plan limit - you can raise it back whenever you like. Upgrading your plan raises the limit itself.set by your plan or the serverset by your plan

Good to know

  • Settings are read when the server starts, so restart after changing one. World Name, World Seed and Hard mode only matter the first time a world is created. After that they have no effect on that world.
  • The panel saves a value when you leave its field. If the value is not allowed, the panel tells you and keeps the old one.
  • To open the page, follow How to set up your Core Keeper server or How to change your server settings.

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