I couldn't finish the game mainly because I wasn't sure what I was doing. I think the puzzles were not really puzzles, rather a series of tasks you had to guess at to complete. IDK, just my perspective.
Thanks for taking the time to reply! Every player is different, so there's no reason to discount your experience. I'll look at making things a bit more straightforward in the future. (Also if you ever feel the desire to re-try it and want a hint, I have ilPrinny's playthrough linked on the game page)