Interesting take. I wanted these puzzles to feel kinda threatening, so that's why the lack of save points are a thing. I wanted people to think about the puzzles for a bit. It is on the side of trial and error though yeah? I'll keep that in mind for next build.
Oh, nice! I'm glad it works on your Game Boy. I haven't been able to test it on real hardware, well because I don't have the hardware lol.