The BFG Edition introduced several "quality of life" changes that differentiate it from the original "vanilla" DOOM 3:
The repack by R.G. Mechanics is a specialized, highly compressed version of the 2012 remaster that bundles the entire classic DOOM legacy into one installer. This particular repack is favored by fans for its streamlined installation, inclusion of community-made patches, and "plug-and-play" nature that bypasses the complexities of original disc-based setups. What’s Included in the R.G. Mechanics Repack? DOOM 3- BFG Edition -R.G. Mechanics-
Native support for 3D TVs, ultra-wide monitors, and high-resolution displays. The BFG Edition introduced several "quality of life"
The core 2004 experience with upgraded lighting, rendering, and performance. inclusion of community-made patches