While everyone's in a turkey and gravy coma, retailers are hoping that you'll feel a bit browsy with your drowsy. Black Friday deals are popping up everywhere; some are good, but some are token at best… including the Black Friday sale on tokens at the local arcade.
Anyway, four (edit: Fixed typo) of the largest PC gaming services are Steam, UPLAY, Origin, and GOG.com. Steam is predictably the largest sale. It's another “Exploration Sale,” which is another way of saying, “Here's a few examples of great deals; browse for crap you like. You might find something cheaper. I dunno.” Speaking of a few examples, Elite Dangerous is now just a third of its price. Grand Theft Auto V is now reduced too, although it's not yet in the impulse buy territory. Call of Duty Black Ops III also received a little chop in price, which is unusual for the franchise. You'll probably want to browse Steam in general, especially if there's a game that you've been eying but couldn't justify buying yet.
UPlay's sale is a bit more… weird. If you played Tropico 5 but put it down before buying the DLC, the pack of boosters is now 75% off ($11 CDN here). Surprisingly, the vast majority of sales have nothing to do with Ubisoft titles, and the three exceptions are from 2013 / 2014.
Origin is a bit more rounded in terms of old and new titles. FIFA 16, released just this fall, is about 40% off where I am. Tomb Raider is in the mid-single digits of dollars. Battlefield Hardline is about $10. Do not buy The Witcher 3 here though, if the Canadian prices carry over to the US. The sale even extends back to Command & Conquer: The Ultimate Collection, NHL 09, and Medal of Honor: Airborne. It just keeps scrolling.
Now for GOG. This is, again, a sale that you should probably browse. If you were interested in The Witcher 3, purchasing it from GOG instead of Steam will get you the same sale but DRM-free. Its new price is $29.99 USD, unless you're Canadian. We get it for $23.49 USD at GOG or $29.99 CDN at Steam. I guess they feel like giving a slightly larger discount to compensate for the lack of turkey-goggles. Browse the “On Sale” tab in the bottom right before you leave too.