It effectively strips the Steam Stub DRM, allowing the software to run as a standalone executable. This is frequently used for "portable" installations or for testing the game on hardware configurations where Steam is not permitted. Technical Caveats

Full compatibility with the BMW M2 CS Racing, Porsche 911 GT3 Cup (Type 992), and Lamborghini Huracán ST EVO2.

Improvements to CPU usage, which was critical for maintaining high frame rates during full 50-car grids. The Goldberg Steam Emulator Integration