mizkyu is right, I used Propellerhead Reason to make all the music. Mostly I just used whatever instruments were in the default libraries. Sometimes I'd make some synths myself too. I made a lot of the sound effects in Reason too.

moarwineprs

I've been curious: do you have a background in any musical instruments or training? It's really amazing to me that you developed the entire game from the programming, the world building and lore, the story, and all the assets including soundtrack all on your own. That's so awesome.

My 18 month old loovvveessss the overture! She could be playing with something else but as soon as she hears the opening bars she'll stop whatever she's doing to stand in front of the TV and clap, dance, "hum" (it's just a flat "ahhhhhh" but it's obvious she's trying to hum), and/or sway to the song. She's recently started bopping her head to other tracks while giving us a big smile.

I have no musical training (besides playing percussion for a year in middle school), but I did play guitar and make electronic music starting in high school, and before that I played around a lot on a little electric keyboard I had. I never learned to read music or any music theory or anything like that. Glad to hear that your daughter loves the music haha