I have also been experiencing this issue where it just ops out of fullscreen and goes to the desktop while the game is still running, and so far I've found no way to get back in unless you're willing to relaunch the game.

HoodDroid
@HoodDroid
I have also been experiencing this issue where it just ops out of fullscreen and goes to the desktop while the game is still running, and so far I've found no way to get back in unless you're willing to relaunch the game.