How much do fake reviews cost?

Skill points have stopped despite completing contracts. For me it is holding at lvl 10, 236 points. I have completed numerous contracts and no change. Need to get more skills to increase quality.

1. Trade Building window is bugged, I could not close the window or really interact with anything in that window. 2. The Build menu when i try to scroll down the page it's really slow, and i notice the background picture zooms in and out while i'm scrolling. 3. The Drying Kiln has the same description as the camp. So far i'm really liking the game ...

Doing contracts grant research points, but research don't cost points... Are they skill points? Because I've noticed the skill points going up when I do contract, but the numbers don't match, I'll get 20 research points from a contract but only gain 5 skill points? Not sure......

Is there a demo for this game?