I think I have finished this game, and it took 1.5 hours.


It does feel well as a demo. Honestly said, I have seen enough about gameplay.
The main thing I am not aware of is how to make the desired square to move UP without screwing up the rest setup. I presume that I am not supposed to reach the other Yellow Square panel.
And yes, I have no idea what to do next, after the entire level has been lifted up by 1 floor.