How to Lower Undertale Volume on Mac
You can lower Undertale's volume on a Mac by adjusting the in-game settings. Just go to the options menu and you'll find volume controls for music and sound effects!
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Quick fix: just use the F1 key in-game to bring up the options menu and adjust the sound levels from there.
To lower Undertale volume on Mac, open the game, press F1, and tweak the sound settings. Easy peasy!
I just use the system volume controls. Works fine for me!
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