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Yes I wish we had the option to select performance mode while I work on music in Logic. Where it pauses all the sync crap, update checkers, yada. I love my Mac Studio, but how’s ers looking in activity monitor, there’s a load of crap running constantly that id love to pause till I get some work done
 
You just go fullscreen, it enables automatically.
It appears that not every game triggers the mode. Apple doesn't leave a way to enable it manually either.

EDIT: You can check if a game would activate game mode by locating the application in finder (I’ll use NMS for this example which can be found at ~/Library/Application Support/Steam/steamapps/common/No Man's Sky.app. Once you've found it, right-click and choose "Show Package Contents", select Contents, and then open Info.plist in whatever text editor you have installed (TextEdit works just fine) and search for the key ApplicationCategoryType. The line under that should say something like public.app-category.games. If it says that then it will activate game mode. If it says something else or there isn't an ApplicationCategoryType key, then game mode will not activate.
It is likely that Eve Online doesn't have the plist set correctly to show as a game to the OS.
 
You just go fullscreen, it enables automatically.
That's the problem, it isn't. It enables with other fullscreen games like Stellaris or Rimworld, but I've never been able to get Eve to work, hence why i'm surprised and confused how you were able to get it working.

It appears that not every game triggers the mode. Apple doesn't leave a way to enable it manually either.


It is likely that Eve Online doesn't have the plist set correctly to show as a game to the OS.
Correct, I went into the game application (not the launcher app) within the hidden application support folder and found the Info.plist file did not contain the ApplicationCategoryType key. I've even tried modifying the Info.plist file, but when launching the game it seems to revert whatever edits I made and game mode does not engage.

This doubles my interest in how Feek was able to get game mode working on his Mac since it appears the Eve Online app is not categorized.
 
This doubles my interest in how Feek was able to get game mode working on his Mac since it appears the Eve Online app is not categorized.
All I can tell you is that the frame rate went up from 90 to 110 when I went full screen. The resolution was the same, I assumed that it was due to the Mac switching into game mode 🤷
 
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