GOG.com announces the kick off of their big holiday sale. This includes one game with the ultimate discount, as they are offering Empire Earth: Gold Edition for free through Wednesday as part of the promotion. Here's word on the sale:

While you’re here, check out our incredible holiday sales; you can find some of the best classic games ever made on PC for under $5.00 from now until the 2nd of January, 2012. Whether you’re shopping for yourself or looking for a gift, the GOG.com holiday sales have something for everyone. Get a classic city building simulation like SimCity 2000 SE for your aunt who loves Farmville, or a transport simulation like Chris Sawyer’s Locomotion for that cousin of yours with a model train track that’s taken up his whole basement. A copy of an action game like Serious or Earthworm Jim 1 & 2 can give your younger siblings an appreciation for the twitch classics of yesteryear, and detailed sims like IL-2 Sturmovik appeal to gearheads and aviation buffs of all types.

Games from every genre are on sale on GOG.com right now, so take a look and see what suits you.