The GOG.com 2016 Summer Sale is On
GOG.com’s annual Summer Sale begins today with two weeks of deals and opportunities to score free games like System Shock 2 and Spelunky.
System Shock 2 is free during the first 48 hours to help improve the GOG Galaxy client with a stress test giveaway: simply download GOG Galaxy, visit the sale through the client, then claim and download your free game.