To enable or disable 3D compatibility mode
Before starting the game, enable Advanced In-game Settings in the NVIDIA Control Panel:
Open the NVIDIA Control Panel and navigate to the Stereoscopic 3D -> Set up stereoscopic 3D page and click Set Keyboard Shortcuts.
Click the Show advanced in-game settings arrow if the section is not expanded, then select Enable advanced in-game settings.
Press Ctrl+Alt+F11 during the game to toggle between 3D Compatibility mode and standard 3D Vision mode.