Added native stereoscopic 3D support, higher framerates, and a checkpoint-based save system.
An exclusive eight-level campaign not found in the original release. Doom 3 BFG Edition [NTSC-U][ISO]
Ensure DirectX 9.0 and Microsoft Visual C++ 2010 are installed, as these are often missing from standard installs. Added native stereoscopic 3D support, higher framerates, and