This sounds nifty:

"Here’s the idea. You graciously dedicate 1 day, from December 1st to December 24th and make a game in a few hours. I will post these games on this Tumblr page and, hopefully, people will play them, counting down the days until Christmas." - TIGsource user Theophilus

The 2011 lineup has been chosen. There's been one small game a day as planned.