The game was great! I love graphic style of it, its concept and the atmosphere. I was scared that the game will be boring, because I played just a few Point & Click games, so it surprised me, that it was so absorbing. I was also surprised when I discovered what was happening.
The funny thing is that I guessed the secret number in the elevator thoughtlessly XDD. You can see it in at 24:27 in the video.
Here's video of me playing it: