: Free, legal shareware versions and demos that allow you to play the first episode are still hosted on various classic gaming sites.
: Includes classic Duke weapons and various mutant enemies, including the iconic Pig Cops. Duke Nukem - Manhattan Project - App Store : Free, legal shareware versions and demos that
: Features a 3D engine that allows for cinematic camera angles within a classic side-scrolling platformer format. : Free, legal shareware versions and demos that