Posted January 17, 2016
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In the Applications tab, add the game's executable so that you set the virtual desktop for just the game.
Go to the Graphics tab and check the box labelled "Emulate a virtual desktop" and enter your desired resolution.
Then save the configuration :)
edit: This may be one of those games where the menu is in a fixed resolution but the game itself should be whatever resolution you set it to but I am not 100% certain of this.