Update to Overfall solves the problem with a black screen you start the game.
First thing to check for all drivers.
First, you need to check your PC for dll libraries and other errors.
You must click “Fix Items”. PСKeeper check all the “dll” files needed for the game.
If the drivers are installed go further.
UpDate 1.1.22 does not add content to the game and does not influence the mechanics of the game.
-UpDate 1.1.22 It helps the game to determine the different types of graphics cards and drivers for them. After the black screen problem in the Overfall – will disappear.
Download – UpDate 1.1.22_Overfall