After two minutes into tha game, i am unable two switch tavs into the inventory or the building menu. I looked everywhere on forums and threads and didn't find any solutions. I restarted the game four times with different steam controll settings and nothing worked. It seems others had the same problem 2 years ago... Did they do any updates on the Demo ? or does someone has had any answer from dev about that issue ? Really want to play the game it looks very nice.