One of the best reviews I have gotten. Thank you friend.
I did note the problem with the door, while watching the gameplay and it was an issue with the collision/hidden wall, that's why it happened.
As for the puzzle, your feedback was very important. I tried to write a puzzle script for the first time, which involves some variables and you know, game developer stuff and this was my first try. I will make sure next time to have kind of a inventory system, which I do plan on doing with my other games.
And, as for the ending...I don't want to spoil information here so I wrote a comment on your channel 😉.