While consumers across the country are gearing up for Black Friday sales at retailers nationwide, PC gamers can start reaping the benefits now with Valve's autumn sale. From now until November 26th, Valve is cutting prices on a large number of the service's catalog, including daily specials and hours-long flash deals. To kick things off, the company is offering XCOM: Enemy Unknown for $33.49, the full season of The Walking Dead for Mac or Windows for $12.49, and countless other at discounts of up to 75 percent. In July, Valve offered similar deals as part of its annual summer sale. Keep a close eye on the steam website, desktop client, or mobile app to catch all of the limited-time deals.