Steam’s winter games sale has started from 23 – 30 Dec 2016
Steam P1W Past Event 
The Steam Winter Sale has begun, on now through January 2nd! Save big on thousands of games for Windows, Mac and Linux!
Steam
Steam has started its 2016 Autumn Sale over the Black Friday & Cyber Monday period from 24 – 29 Nov 2016
Steam P5D Past Event
The Steam Autumn Sale 2016 starts now, with great deals across the Steam catalog throughout Black Friday and Cyber Monday*.
Steam Summer Sale from 24 Jun – 4 Jul 2016
Steam P1W3D Past Event
The Steam Summer Sale has started! For the next 11 days, take advantage of discounts on thousands of products, including games, videos, and software, as well as the exclusive Summer Picnic Sale trading cards.