Im playing on the most recent steam version and it seems like I need the carpentry table to make a roof but I cant use the table until I have a roof to enclose the room its in. Am I missing something? I only have walls and im guessing a table to choose from when I Shift + Scroll.

Im trying to get the steam version but in my account section it says Steam Link is down. How long is it down for and is there another way to get a steam key? Would make more sense to email all backers a key rather then steam linking.

Where do I find the Civil Engineering tree in alpha 5. I don't want to spend the 25 skill points where I think it is unless I'm sure.