Good Old Games (GOG) is throwing a DRM-free holiday party, and you're invited (opens in new tab). For starters, the company is offering the classic PC shooter Duke Nukem 3D: Atomic Edition for free until December 14 at 14:49 GMT. This Atomic Edition, originally released in November 1996, includes the original three-episode game and the Plutonium PAK which adds another eleven-level fourth episode.
In addition to the free game, GOG is also throwing in HD wallpapers, ringtones, avatars and artwork as bonus content. There are also fan-made mods listed on the GOG forums here (opens in new tab) including a high resolution mod, the Hellduke total conversion, Aliens vs. Duke, Borg Nukem, and more. The game itself runs within DOSBox which is automatically installed and pre-configured along with the Duke Nukem 3D game.
In addition to offering Duke Nukem 3D for free, GOG has nuked the prices of 475 Windows-based games, and 72 Mac-based titles until January 3. The site is offering daily deals up to 75-percent off whereas everything else is up to 50-percent off. On Thursday, the daily deal was Witcher 2: Assassins of Kings for $7.49 (was $29.99), FTL: Faster Than Light for $4.99 (was $9.99), and ArmA 2: Combined Operation for $14.00 (was $29.99).
For PC gamers wanting to get caught up on a number of classics, this is the deal for you. The current "bestseller" list includes Planescape Torment, Fallout, and Neverwinter Nights Diamond for $4.99 each. There's also a Might and Magic 6-pack, Icewind Dale, and Fallout 2 selling for $4.99 as well.
Are RPGs not your thing? The original Painkiller is on sale for $4.99 as well as Postal 2, Giants: Citizen Kabuto, and Prince of Persia selling for the same price. There's also Trine, Two Worlds, Thief Gold, Guilty Gear X2 #Reload, Carmageddon Max Pack, and even The Ball selling for $4.99 or less.
To stock up on your collection of PC gaming goodness, check out the lineup of discounts at GOG's 2012 DRM-Free Holiday Sale here (opens in new tab).