Following last month's state of Unity on Linux, an experimental build of the Unity Editor is now available. This experimental Unity Editor build for Linux is based off Unity 5.1.0f3 and is able to export from Linux to Linux/OSX/Windows binaries, WebGL, WebPlayer, Android, Tizen, and Samsung TV.
August 26, 2015
Experimental Unity Editor Now Available For Linux
Read more at Phoronix