http://www.pcgamer.com/the-steam-winter-sale-has-begun/

The year is almost over, but there's still time enough to squeeze in one more Steam sale. This is the big one—the 2017 Steam Winter Sale—and it's live now. 

A few select choices, although obviously there's a lot more to see than just this (and we may toss in a few more if a particular deal catches our eye):