Linux version has graphical glitches. I am using an nvidia card, and the ground appears and dissapears. Also, when I place houses, the money dissapears, but nothing shows up.
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Thanks for letting me know, I was unaware of that... I'll look into this issue when I have some time...
Also your second problem is a bug that I know of, but I haven't fixed that yet in the current available version. I'm working on v0.2.0 which has been built pretty much from the ground up, and I have fixed that in there. However it's probably still going to take a while when I can get that version out.