Nice game!
I finished it, but so far only once (as there seem to be several endings, not counting deaths).
A nice diversity of puzzles, and I liked how the story unfolded bit by bit.
There was one particular puzzle I'd classify as kind of a pixel hunt though:
Also, in the opposite room I think it would have helped if
And finally on question: Does it make a difference in the outcome if you
Anyway, nice game, and I'll try to get to the other ending(s) too.
Hope you plan to make some more games in the future! 
Thank you for your feedback!
About spoiler 1 and 2: since there aren't too many accessible rooms in the game, I meant to make relatively "difficult" puzzles. To be exact, one of the puzzle you mentioned is take place in only one accessible room! And the other puzzle... Yes, that one is not so obvious.... but thanks to autosave, players has the ability to try out different things if they feel stucked. I think thats not a problem if the player stuck for a while here and there, because it's not an unusual thing in adventure games. But I do not want my players to stuck too long, or stuck forever

I won't change anything in the puzzles yet, because most of the players could solve all the puzzles in the hungarian version, and I'm afraid if I give more hints at a specific puzzle, that will became too easy :/ But if more and more people will complain about illogical and hard puzzles, I will change the necessary things. However, I finished the game about 1 months ago, so I'm not happy to jump into the resources again :

About spoiler 3:
Some spoiler about endings:
There are 2 extra endings, but they are connected to a very illogical puzzle. That's because the 2 extra endings are intented to be more like "easter eggs", than real puzzles. Therefore, I think it's okay if I give a small tip for that part:
I'm really happy if you enjoyed the game

Probably I will make more games, but now I must take some break

By the way, I must confess that this game was made in 3 weeks

(I didn't sleep too much that time, of course

)