- Free Play on Some Games
For this weekend only, you can pick from the list of 10 games, and play them for free through Steam.
Most games on the list will play on both PC and Mac, including Grid 2, and XCOM: Enemy Unknown.
If you like any of those games, they are on sale during the free-play weekend.
Steam is having a weekend sale on 2K games, with prices up to 80% off.
Civilization 5 Complete Edition for $16.50
BioShock Infinite for $7.50
Even the upgrades and add-ons are on sale, such as Civilization 5's Gods & Kinds add-on is $7.50, and BioShock Infinite's Burial at Sea add-on is $7.50.
For a similar deal, GreenManGaming.com is currently offering a sale on some of the most popular PC games of all-time, including Half Life The Orange Box for $5 (includes all Half-Life Games), and Portal 2 for $5.