Find where the game is saving it's savegame and the rest, and then find the WindowsNoEditor folder.
Look and Edit the file called " Engine.ini "
paste this at the end .
[/Script/Engine.RendererSettings]
r.ForceDebugViewModes=1
Save and run the game ( no need to set Engine.ini as readonly )
Start the unlocker after you opened the game, it will do it's thing, and then you should see another window pop out, that will confirm the unlocker has done its's job, press the keybind allocated to make the console show up.
type this command :
Alternative to this command if it still locked
to go to the next viewmode
to go back to precedent viewmode
You can scroll between viewmodes with this command , pick the best one out of it.
To remove fullbright, just type
This will restore the game view as normal, even if is locked and you used nextviewmode command.
This Mod provides Fullbright using Unreal Engine Console .