In reference to the question Alt+tab out of full screen game
With the answer:
Start an other xserver on a different terminal. say tty8. Then switch between them when running the game in full screen mode.
I would like to do this when playing HoN.
First drop a terminal via ctrl+alt+f1 and then use:
To switch between the sessions use ctrl+alt+f7, ctrl+alt+f8 Btw, this is starting an other X session, not Xserver.