BundleStars.com has been killing it with their Star Deal (kind of like a Daily Deal, though not every day) lately. The latest, Total War : Attila for only $9.99 (cheapest I've seen it). Use code LUNAR8 to get an additional 8% off, making it $9.19.
They also have the complete DLC bundle for Attila for $29.99, which is about what you would paying collecting them all in a Steam Sale.
In an odd bit of games/movies tie-in, Humble has the Humble John Wick Bundle.
- Pay $1 for Steam keys to PayDay 2 and a bunch of it's DLC.
- Pay $6 for PayDay 2 GOTY and more DLC
- Pay $14 for Dead by Daylight
- Pay $25 to pre-order John Wick Chronicles
- Pay $45 and also receive the John Wick movie (digital) and Two Tickets to see John Wick : Chapter 2 in theaters February 10th.