Gamefly is having a pick your combo deal. There are several game publishers with a selection of titles you can choose from.
For example, 2K games - Pick 3 games like Bioshock, XCOM Enemy Unknown, and Borderlands 2 = all for $18. Do the math, $6 a piece. Insane. Why I buy games day one sometimes, I'll never know.There are 3-game, 4-game, and 5-game bundles. The more games you rack up, the lower the $ for each game. I think this is the best deal yet that I've seen Fall-Winter 2013.
There are other publishers so be sure to check the main PC download page for their Holiday Sale which is set to last for several more days. Bookmark this page and keep an eye out for great deals.