Skip to main content
Back to overview

Core Keeper: updates, settings and interface

Game updates, plugin versions and improvements to our interface with a traceable history.

Recorded, available and installed are different states. Your actual installation status and suitable updates are shown in the server panel.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Setting Change documented

Core Keeper: startup parameters changed

The definition of visible startup parameters changed in the panel code. The listed values explain added, changed and removed fields. The date records the definition change; existing server values were not automatically changed by it.

Supported server software: Core Keeper

Changed settings (7)
  • Auto Update: Added AUTO_UPDATE

    Enable automatic updates on boot

    After

    Setting
    AUTO_UPDATE
    Default
    1
    When it takes effect
    Takes effect after saving and restarting the server.
  • Game ID: Added GAME_ID

    Game ID to use for the server. Needs to be at least 28 characters and alphanumeric, excluding Y,y,x,0,O. Empty or not valid means a new ID will be generated at start. Default: EMPTY.

    After

    Setting
    GAME_ID
    Default
    When it takes effect
    Takes effect after saving and restarting the server.
  • Max Players: Added MAX_PLAYERS

    Maximum number of players that will be allowed to connect to server. Maximum is 100. Default: 100,

    After

    Setting
    MAX_PLAYERS
    Default
    100
    Range / options
    1 – 100
    When it takes effect
    Takes effect after saving and restarting the server.
  • World Index: Added WORLD_INDEX

    Which world index to use. Default: 0.

    After

    Setting
    WORLD_INDEX
    Default
    0
    Range / options
    0 – …
    When it takes effect
    Takes effect after saving and restarting the server.
  • World Mode: Added WORLD_MODE

    Whether to use normal (0) or hard (1) mode for world.

    After

    Setting
    WORLD_MODE
    Default
    0
    When it takes effect
    Takes effect after saving and restarting the server.
  • World Name: Added WORLD_NAME

    The name to use for the server. Defaul: Core Keeper Server.

    After

    Setting
    WORLD_NAME
    Default
    Core Keeper Server
    When it takes effect
    Takes effect after saving and restarting the server.
  • World Seed: Added WORLD_SEED

    The seed to use for a new world. Set to 0 to generate random seed. Default: 0.

    After

    Setting
    WORLD_SEED
    Default
    0
    Range / options
    0 – …
    When it takes effect
    Takes effect after saving and restarting the server.
Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Game update Published

Community Update - June 2026

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Game update Published

1.2.1.5 - Hotfix

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: revised

The guided tools were revised in the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Interface Change documented

Guided startup parameters: added

The guided tools were added to the shared panel code. The entry concerns the interface or its processing. The date records the change; availability on an individual server depends on the game, software, plugins and permissions.

Game update Published

1.2.1.4 - Stability Patch

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

Game update Published

1.2.1.3 - Stability Patch

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

Game update Published

1.2.1.2 - Stability Patch

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

Game update Published

1.2.1.0 - Minor Update

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

Game update Published

Core Keeper’s 1.2.1 Update Drops Tomorrow!

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Effects on plugins

No independent plugin compatibility test is documented for this announcement. Check the affected plugins in the update center before changing game versions.

What the interface looks like

The image shows the interface on its capture date; earlier versions may differ.

Excerpt of the current interface with sample values. Values and prerequisites illustrate the controls; available tools depend on server software, plugins and permissions.
Excerpt of the current interface with sample values. Values and prerequisites illustrate the controls; available tools depend on server software, plugins and permissions. · Captured on 2026-10-08

What the settings do

These values come from our guided editors. Defaults are the editor starting values; they do not show the contents of a customer server.

World index

Number of the world to load. Default: 0. Whole numbers from 0 only. A different index selects a different save.

Setting
WORLD_INDEX
Default
0
Range / options
0 – …
When it takes effect
Takes effect after saving and restarting the server.
Server name

Server display name, 3–100 characters. The world index selects the save. Restart after saving.

Setting
WORLD_NAME
Default
Core Keeper Server
When it takes effect
Takes effect after saving and restarting the server.
World seed

Seed for a newly generated world. This field accepts whole numbers from 0; 0 generates a random seed. An existing world keeps its seed.

Setting
WORLD_SEED
Default
0
Range / options
0 – …
When it takes effect
Takes effect after saving and restarting the server.
Maximum players

Maximum number of players connected at the same time. Set by the server and read-only here.

Setting
MAX_PLAYERS
Default
100
Range / options
1 – 100
When it takes effect
Takes effect after saving and restarting the server.
Hard world mode

Off: normal mode. On: hard mode for a newly generated world. An existing world keeps its mode.

Setting
WORLD_MODE
Default
0
When it takes effect
Takes effect after saving and restarting the server.
Automatic updates on startup

Enables automatic game updates when the server starts. Find the switch under Updates.

Setting
AUTO_UPDATE
Default
1
When it takes effect
Takes effect after saving and restarting the server.