Need Help Balancing Audio Levels in Audacity: Detecting Loud

[68Kirra_Eva]

As the creator of the game "AI Stories" on Steam, I am currently working on my second game and aiming to improve many aspects, including the balancing of my music/audio pieces. I am specifically looking for guidance on how to detect the loudness or RMS of an audio file and then match the volume levels precisely across multiple audio files.

I am using LMMS as my digital audio workstation and Audacity for audio adjustment/post-processing. Can anyone provide instructions or tips on how to achieve this goal, particularly using Audacity?

[musikbear]

First off, HNY & Welcome to the Forum 68Kirra_Eva !
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detect the loudness or RMS and match the volume levels precisely across multiple audio files.
:
using Audacity?

What you describe is Mastering!
I would recommend you to study youTube vids on Mastering, because that is the art to make volume of many recordings (tracks) appear as one uniform harmonic collection -An Album!
Without Mastering it is necessary to often adjust the speaker-level as a new track plays.
Mastering is also an Art-form, and a task performed by often celebrated sound-engineers -George Martin "the fifth Beatle" being the perhaps most famous example.
If Audacity is up to that i really do not know.