Open ~/Library/Application Support/Steam/SteamApps/common/XCom-Enemy-Unknown/XCOMData/XEW/XComGame in a terminal.(that's XCOMGame\Config\DefaultGameCore.ini in utf32le) Open ~/Library/Application\ Support/Steam/SteamApps/common/XCom-Enemy-Unknown/XCOM\ Enemy\ Unknown.app/Contents/MacOS/XCOM\ Enemy\ Within in a hex editor, and:.
#Hex fiend osx install#
![hex fiend osx hex fiend osx](https://i0.wp.com/marduc812.com/wp-content/uploads/2016/06/vim-hex-editor-os-x-4.png)
Make sure that you started the game at least once since last reinstall.