Gameusersettings.ini -

: Disables vertical sync to potentially increase frame rates.

: (Primarily for ARK) Controls the core rules of the game environment, such as difficulty, PvP/PvE status, and damage multipliers. GameUserSettings.ini

A standard GameUserSettings.ini is divided into specific headers. While you can add many custom lines, the most common sections include: : Disables vertical sync to potentially increase frame rates

For better performance or specific visuals, these settings are frequently modified: such as difficulty

: Sets the display to Fullscreen (0), Windowed Fullscreen (1), or Windowed (2).

/ ResolutionSizeY=1080 : Manually sets the game's resolution.