XCOM: Enemy Unknown .ini Tweaks

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Published by GameFront.com 10 years ago , last updated 3 years ago

Posted on October 8, 2012, CJ Miozzi XCOM: Enemy Unknown .ini Tweaks

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Note: This post will be updated as new .ini tweaks are discovered. Check back often!

If you’re playing XCOM: Enemy Unknown on PC, then you can benefit from the great tweakability (that’s right; Colbert isn’t the only one who can invent words) of the Unreal Engine and it’s .ini files.

In this post, you’ll find a collection of the .ini tweaks we discover for this great game.


The files we’ll be working with are located in the following directory:

C:\Users\YourUserName\Documents\My Games\XCOM – Enemy Unknown\XComGame\Config

Your exactly directory may vary, but the key is to locate your My Games folder in your Documents or My Documents folder and NOT edit the .ini files found in your game installation folder.

When you edit a .ini file, make sure you are not presently running XCOM, and that you save the file before you run the game.

Also, ALWAYS back up your .ini files before editing them.

1. Disable Startup Movies

If you’d like to go straight from double-clicking XCOM’s icon to viewing the main menu without having to sit through all of those startup movies, follow these simple steps:

  1. Open XComEngine.ini
  2. Search (CTRL+F) for “StartupMovies=”
  3. Add a “;” at the beginning of every instance of that search term. The result should look like “;StartupMovies=”

2. Disable Mouse Lag

If you feel some slight mouse lag, this may remove the issue:

  1. Open XComEngine.ini
  2. Search (CTRL+F) for “OneFrameThreadLag=True”
  3. Replace the word “True” with “False”
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