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Ok, I was having a problem that when I started a game, my screen would get resized. The borders were black and the resolution was messed, including my desktop resolution.

So after reading this https://code.google.com/p/winetricks/wiki/ResettingScreenResolution, after my screen got changed, i used xrandr -s 0 in terminal and the desktop was ok, but this happened to my game http://imgur.com/QnPQDsh.

I logged out and tried to play another game and now everything is normal.

Wtf is happening?

Not sure about the bug that is causing the issue but you can fix it instantly by resizing the window! I'm still trying to figure out how to get the audio fixed otherwise it plays really well :/