Tony Hawk's Pro Skater HD Black Bars Fix 1.0.0

Option 1: Use the included aspect ratio patchers to target \BloodstainedRotN\Binaries\Win64\BloodstainedRotN-Win64-Shipping.exe within the game folder.
Option 2 (works with Game Pass):
Download the included trainer and unpack it with software like PeaZip. The password is pcgw Launch the game, then the tool. Press the shown keys to remove the black bars and adjust FOV as desired. To avoid upscaling, edit %LOCALAPPDATA%\BloodstainedRotN\Saved\Config\WindowsNoEditor\GameUserSettings.ini and at the end add
ResolutionSizeX=YOUR_WIDTH
ResolutionSizeY=YOUR_HEIGHT
and set FullscreenMode=0
Changing game settings may reset the above.
Tested the latest GOG and Xbox Game Pass versions at 2560x1080, 3840x1080, 5760x1080 and 3240x2160.
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The tool allows to remove all black bars from cutscenes and menu screens in all chapters of Zombie Army Trilogy in real time.
Unpack the archive with software like 7zip - the password is pcgw Launch the game Launch the tool and press the shown key to disable or re-enable black bars. All trainers based on CE components may trigger some anti-virus software.
Tested the latest Steam version at 2560x1080 and 3840x1080. Let me know if you run into any in-game issues tied to the fix.

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