As part of Good Old Games' holiday promotion, 1996 shooter Duke Nukem 3D is free through the digital distribution service. The "Atomic Edition" is up for grabs, and is available for free on PC and Mac through Friday, December 14.
Duke Nukem 3D is not the only title players can grab for free this week. Just yesterday, THQ announced that gamers can score a free PC copy of Metro 2033 by "Liking" the official Metro Facebook page.
The Atomic Edition of Duke Nukem 3D launched during November 1996 and includes an extra fourth episode, as well as new items and weapons. For more, check out GameSpot's review of Duke Nukem 3D: Atomic Edition.