DN Map Loader lets you easily use third party maps and total conversions with the OS X version of Duke Nukem 3D, including Duke It Out In DC.
• Multi-player games across your local area network (WAN not tested).
• Set difficulty level in single player maps.
• Ratings system to rate your favorite maps.
• Play count shows how many times you've played a map.
• Open text files; Open map files in Build; Play voc, wav, midi files.
• A Group Extract utility for pulling files out of a .grp file.
• A Group Build utility for creating .grp files.
• A Config Duke utility for changing screen resolution and enabling MouseLook.
• A User and Defs con update utility for updating cons from v1.3 to v1.4
Mac OS X Only
• Mac OS X 10.3 and OS X version of Duke Nukem 3D