Start the game and open the "Game Options", then "Video Options".

Disable all camera effects (Depth of Field/Lens Flare/Motion/Bloom/Chromatic Aberration), they are unrealistic and annoying in VR.
note: If needed, you can reduce the quality of the other options to increase performance.



Return to "Game Options" and open "HUD Options".

Disable all HUD elements to avoid partially display of these elements during the race.




Exit game.



Go to this folder:
C:\Users\<User Name>\AppData\Local\Gravel\Saved\Config\WindowsNoEditor



Open Engine.ini with notepad and add The following lines:




r.HZBOcclusion => Fix the problem with flickering geometry.
r.ScreenPercentage => Use to increase the game resolution inside the headset in %.
(It makes the game very heavy and can crash your PC if you exaggerate the value, 120 is a good start)


At Gravel game page inside your steam library, click on the Cogwheel icon then select "Properties".



Type -vr in the launch options and close the properties window.

Download the "Universal Unreal Engine 4 Unlocker" at the page below:

https://framedsc.com/GeneralGuides/universal_ue4_consoleunlocker.htm



note: "Universal Unreal Engine 4 Unlocker" is a third party tool, as with any program, you download and use it at your own risk!

Extract UUU3021.zip to a folder.



Those are the commands tha you'll need:

show decals
(Workaround to the problem with the tire tracks displayed only on right eye, unfortunately it's a fix with loss)
vr.bEnableStereo 0
(Turn off VR mode, needed to use the menus)
vr.bEnableStereo 1
(Turn on VR mode)
vr.HeadTracking.Reset
(Reset head position and orientation / Correct menus align)

Optional:
vr.SpectatorScreenMode 2
( 0 1 2 Changes the look of the game on the pc monitor (single eye or stereo pair))

Don't put on your VR headset yet.

Select the audio device referent to your VR headset.



Open the folder where you extracted the UUU and leave it for now.



Launch the game and wait till it reach the main menu. (Don't worry about the weird resolution)

"Alt+Tab" to UUU folder.

Run the "UuuClient.exe" and click the "Select..." Button.



Select gravel process and click the "Select" button.



Press "Inject DLL" button and wait till the process is completed.



Change the key to open the console. (if needed)
(Depending on your keyboard language you should change the shortcut key to access the console )



note: If you are in game and unable to open the console, press "Alt+F4" or "z" then press "Enter" to exit the game from the main menu. Then change the console shortcut key in UUU.

Don't close UUU, it will close automatically when you exit the game.


"Alt+Tab" to Gravel game

Press the console key to open it. (Should appear at the bottom left of the screen)
Type the command: and press "Enter".

note: Every time you enter a console command the game will also receive the "Enter" input, just press "Esc" to return to the previous screen.

Open the console again and type the command: and press "Enter".

Put on your VR headset and access the desktop view.

Use the game menu to select the race mode, track, car, etc..

note: If the menu looks misaligned with the background, open the console and enter the command:
Click on "Start Race" (It's just the loading, the race will not star yet.)
After the loading, open the console and enter the command:
Start the race and have fun!

note: If the headset is no align with the vehicle, open the console and type the command: Stay in the right position and press "Enter".

When the race is finished, open the console and enter the command:
Basically this is the cycle, "vr.bEnableStereo 0" in menus and "vr.bEnableStereo 1" in races.

Tip: The entered console commands are stored, use up arrow when in the console to fast cycle through then and reuse.

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