Interceptor Entertainment (the developer behind the rebirth of Rise of the Triad) and 3DRealms are proud to bring the original adventures of the king of all alien-ass-kickers to Steam with The Duke Nukem Platformer Pack. The pack includes Duke Nukem 1 ($2.99), Duke Nukem 2 ($2.99) and Duke Nukem: Manhattan project ($5.99). The games can also be purchased as a bundle for $9.99. With the a... more.