Cities Skylines Graphic issue Mac OS X Yosemite

[Draken1]

I'm getting a weird glitch in Yosemite, see pic.
http://postimg.org/image/l6fs1qlvr/

Minimum OS is 10.9 Mavericks, recommended is 10.10 Yosemite.
Funny thing is that it works perfectly on Mountain Lion 10.8.5 which isn't really "supported".

 

[Centurion1973]

Post it here:
http://forum.paradoxplaza.com/forum/forumdisplay.php?879-Support-amp-Bug-Reports