I am currently enjoying metal slug on my pc thanks to the MAME32 simulator, but I also want to play my music on the same pc simultaneously, but I can't seem to find where in the settings I can control the volume for games. Is this even possible?

2 Answers 2


Way back then on Mame32 0.106:

  • Options menu
  • Default Game Options
  • Sound tab
  • Volume Attenuation slider, pull towards the left to reduce volume.

This would apply to all games.

Within games, volume down/up should be keys "-" and "=" by default, but it's not working for me. I'll update if I find out why.

  • Thanks, big time, it didn't work at first until I rebooted my system, worked like a charm.
    – user199662
    Jan 17, 2018 at 20:59

I use the tilde (²) key, European keyboard, ingame. Arrows left or right then decrease or increase volume.

  • 1
    "European keyboard" is a bit vague: do you mean ISO? Is it QWERTY?
    – Joachim
    Jul 20, 2019 at 13:18

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