Ok well the good news is that I fixed this bug! The bad news is that apparently when you upload a Unity WebGL build to Itch, it stores the player data somewhere new every time, so people won't see their saved data anymore... gonna see if I can figure out how to fix this.
Fantastic news. I replayed the game, and level 5 seems to works fine now, but I encountered the same issues again in level 2 lol.
Right arm can't bring the column up:
Nor the left arm down:
These issues aren't big deals tho, since those solutions are wrong either way. Don't know why I keep stumbling into them lol, promise I wasn't actively looking for them