Settings

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Hidden settings

Factorio supports a number of hidden configuration options that are not normally shown in the GUI. They can be accessed by holding CTRL + ALT when clicking the "Settings" button in the pause menu, which will cause a new button labeled "The rest" to appear.

These settings may be experimental and may not be validated for safety, so change them at your own risk.

Notable hidden settings
Name Default Description
autosave-slots 3 How many autosaves to keep on a rolling basis
non-blocking-saving false Only works on Mac and Linux. When set to true, saves do not cause to game to pause. [1]
technology-gui-pauses-game true By setting to false, the game will no longer pause in single player when opening the technology tree.