ubuntu20.04; After about 10mins of trying to deduce why it wouldn't run, I realized that I had to install the 32bit version of libgtk2 and some other stuff (the screen selector kept just filling up the screen cycling through random colors).
Once I got past the screen selector, I still can't tell whether the game just doesn't have sound or whether that was another issue with the linux build, and [click to advance!] never went away, blocking some dialogue. Also, if you package it as tar.gz instead of .zip it will preserve the executable flag on the game file.
In the end I can tell that this game is very personal, thanks for sharing!