Factorio Reference

Factorio Startup Parameters

Configure your Factorio server on WinterNode with startup parameters like version, slots, save name, passwords, and more using the Game Control Panel.

Last updated: July 16, 2025

The WinterNode Game Control Panel provides a few easily configurable options called Startup Parameters under the “Configuration” → “Startup Parameters” tab on your server page. These options make use of common command line arguments and are needed for the server to function as expected, but may be changed as needed using the fields provided in the modals.

Factorio Version

This is used by the re-install tool to update your server.
You can enter latest to get the latest stable release, experimental to get the latest experimental release, or the exact version number of the release you want.

The "Factorio Version" modal with a default value of [latest], located on the Startup parameters page of the server page.

Maximum Slots

The maximum number of players that can connect to your server. Defaults to 20, but you can set it to 0 for unlimited.

The "Maximum Slots" modal with a default value of [20], located on the Startup parameters page of the server page.

Save Name

The name of the save the server will load. Used in the name of the save file located in the saves folder.

The "Save Name" modal with a default value of [gamesave], located on the Startup parameters page of the server page.

Server Token

Required with the Server Username parameter for your server to appear on the public server list. Your token and username can be found by logging into the Factorio website.

The "Server Token" modal with a default value of [undefined], located on the Startup parameters page of the server page.

Server Name

The name that appears in the server list and the “continue playing” button on the title screen.

The "Server Name" modal with a default value of [WinterNode.com Factorio Server], located on the Startup parameters page of the server page.

Server Description

Shown under your server when viewed on the public server list.

The "Server Description" modal with a default value of [Description], located on the Startup parameters page of the server page.

Server Username

Required with the Server Token parameter for your server to appear on the public server list. Your token and username can be found by logging into the the Factorio website.

The "Server Username" modal with a default value of [undefined], located on the Startup parameters page of the server page.

Auto Save Interval

The frequency at which the server will save the game and utilize an additional “Autosave slot”.

The "Auto Save Interval" modal with a default value of [10], located on the Startup parameters page of the server page.

Auto Save Slots

The number of additional saves that are kept in the saves folder as new saves are made.

The "Auto Save Slots" modal with a default value of [5], located on the Startup parameters page of the server page.

AFK Kick

How long in minutes before a player will be kicked from the server for meeting the AFK requirements.

The "AFK Kick" modal with a default value of [0], located on the Startup parameters page of the server page.

Factorio RCON Password

The password used for RCON (Remote Console) connections to your server. This allows remote administration tools to connect and execute commands.

The "Factorio RCON Password" modal with an example value, located on the Startup parameters page of the server page.

Factorio RCON Port

The port used for RCON connections. By default, this is set to your primary server port + 1.

The "Factorio RCON Port" modal with a preset value of your primary server port + 1, located on the Startup parameters page of the server page.

Server Password

The password needed for players to connect to the server. Can be left empty if you don’t want a password requirement.

The "Server Password" modal with an example value, located on the Startup parameters page of the server page.

Additional Parameters

Any additional startup parameters for the Factorio headless server, see the Wiki for examples.

The "Additional Parameters" modal with blank default value, located on the Startup parameters page of the server page.

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