Duke Nukem 3D/Versions

Duke Nukem 3D had the following releases:
 * 1.0: Duke Nukem Shareware; 29 January 1996
 * 1.1: Duke Nukem Shareware; 20 February 1996
 * 1.3d: Duke Nukem Full & shareware; 24 April 1996
 * Changed the .DMO demo file header. Jumping from 1 to 3d was done simply to use "3D" as the version number; there was no 1.2, and the "d" carried no special significance.
 * 1.4: Duke Nukem Atomic; 27 November 1996
 * Also achieved through Plutonium Pak addon to 1.3d. Changed the .DMO demo file header, added fourth episode "The Birth", added weapon 7B expander, added enemy Protector Drone.
 * 1.5: Duke Nukem Atomic patched; 12 December 1996
 * Fixed a bug that prevented 1.4 from installing on systems with more than 64Mb of RAM.
 * Duke 3D for Macintosh; 25 May 1997