Batman DOOM is a Mac/PC DOOM 2 Total Conversion
The MOD features:
-A total replacement of DOOM 2 characters plus a few more (20 new characters)
-25 new levels with hundreds of new textures + 7 interlevels
-Incredible new features not seen in any other wads
-9 new weapons
-28 new superb music pieces (also available for Mac version)
-and much, much more!