Also, the Enigma Heart demo is great and you should play it.

https://hadrosaurus.itch.io/enigma-heart
https://store.steampowered.com/app/2986980/Enigma_Heart/

I managed to get one of the "unobtainable" items in the Enigma Heart demo! I did it the first time on accident, and it took me about half an hour of attempts to get it on purpose.

Attn: @ClarusPlusPlus