itch.io

And find way to put ghost copy of building anywhere.
For example if select greenhouse and put it in not allowed zone, it will shown as red.  And than select anoter building(I take solar panel), that red greenhouse will remain on it position. So I had build a little mushroom city :D 

And find not critical, but fun moment -  that workers are perfectly fine stack on each other :) 
I managed to build some kind of pyramyd of workers :D
When thay start to work, they go down with no problems.