Duke Nukem 3D: Megaton Edition is the definitive compilation of the landmark first-person shooter that includes enhanced versions of Duke Nukem 3D: Atomic Edition and three unique expansion packs as well as the original version of the classic game. The iconic Duke Nukem battles it out against a slew of alien foes in the original four episode "Atomic Edition" single-player campaign and three over-the-top expansion packs that take the loudmouthed hero to a tropical paradise, a winter wonderland, and even Washington D.C. Duke Nukem 3D: Megaton Edition features polished OpenGL visuals, native compatibility with modern PC and Mac computers, Steam Achievements, and Steam Cloud support. Duke Nukem 3D: Megaton Edition will continue to receive feature updates including Steamworks-enabled online multiplayer, new achievements and integration of additional Duke Nukem 3D expansion packs. Duke Nukem 3D: Megaton Edition includes: Duke Nukem 3D: Atomic Edition - All four officially released episodes of the iconic shooter with carefully restored visuals, timeless gameplay, and challenging Steam achievements. (OpenGL) Duke Caribbean: Life's a Beach - Grab your water gun and sunscreen as Duke battles vacationing aliens in beach side hotels, tropical lagoons and even a cruise ship! (OpenGL) Duke It Out in D.C. - Duke takes his special brand of politics to Washington D.C. to turn back the alien invasion set against the White House, the Lincoln Memorial, and even FBI headquarters. (OpenGL) Duke: Nuclear Winter - Take a brutal walk through this winter wonderland as Duke gets into the holiday spirit by bringing the battle to the North Pole! (OpenGL) Duke Nukem 3D Classic - The classic version of Duke Nukem 3D in all it's original glory. Hail to the King, baby! (DOSBox)