How to Get XCOM 2 to Have a 21:9 Aspect Ratio?
You need to tweak the game's .ini files. Navigate to the XCOM 2 config folder and open 'XComEngine.ini'. Look for the 'ResX' and 'ResY' settings, and change them to your monitor's resolution. Save the file and you're good to go!
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Why bother? The game runs fine in 16:9. But if you must, edit those .ini files.
Easiest way? Use Flawless Widescreen. It's a handy tool that fixes aspect ratio issues in many games, including XCOM 2.
I did it by using the Widescreen Fixer tool. Download it, select XCOM 2 from the list, and set your aspect ratio. Worked for me!
馃憖 If you like XCOM...
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