Yes there are various issues. I have no idea what causes the shadows to come and go and I'm very prone to blame unity for it because the environment is so simple.
When you say that the items get selected multiple times, do you mean that the outline appears/disappears multiple times as you try to look at the object?
Agree on the bigger room and creature footsteps, I would have loved to add more stuff to add tension but I just run out of time for the jam.
The real question is can you win?! The creature gets you at the end :P anyway the answer is no, no time :c