It's been in my library for years and I didn't know much about it. Randomly started playing it a few days ago and I've been having a blast solving the puzzles. It's been a while since a game has really made me want to finish it and see what is at the ending.
I'm at the end now working on the final (I think) puzzle.
I'm like 99% sure this is in my library too, probably one of those Epic freebies at some point? And after reading this thread, I'm convinced to give it a shot. Sounds fun!