X-link to the DRM-free thread for a free video game:
Neverwinter Nights Diamond, the popular fantasy roleplaying game from Bioware, is offered free for Windows until the end of Dec 2nd, via Gog.com as a promo for their Winter Sale.
This edition contains a soundtrack and a lot of behind the scenes artwork as bonuses, which you may be interested in, even if you don't play the game.