Doom 3 Windows 7 -

Often fails to launch on Windows 7 64-bit without the v1.3.1 patch .

The 1.3.1 patch officially removes the requirement to have the disc in the drive, which bypasses DRM issues common on newer Windows versions. Resolution & Widescreen Fix Doom 3 Windows 7

Generally runs "out of the box" as it is pre-patched, though some users report resolution issues. Often fails to launch on Windows 7 64-bit without the v1