Free as part of The Harvest Sale.
GOG Harvest Sale

The Harvest Sale is now live at, which is obviously a great thing for those looking to save up to 90% on a huge number of their game offerings. As part of this big ol' sale, users are able to pick up a free game that will be yours to keep forever if you claim a copy between now and Wednesday. That free game is Serious Sam: The First Encounter.

The sale runs through next week but that free copy of Serious Sam is only available through Wednesday, so be sure to act fast!

Another freebie that can be yours during the sale is a free copy of Sudden Strike 4 for anybody that pre-orders Iron Harvest.

Additional details can be found at GOG.

First, make sure to grab the juicy 48h giveaway of the adrenaline-fueled FPS classic Serious Sam: The First Encounter available on the front page until August 26th, 1 PM UTC. Of course, this shiny crop doesn’t grow alone as we welcome the pre-order for the long-awaited Serious Sam 4 on GOG.COM!

After tasting the giveaway fruit, you simply must check out the other gaming deals of the Harvest Sale. Dive into the dark world of crime and punishment in Batman - The Telltale Series (-50%). Test your patience and accuracy in Sniper Ghost Warrior Contracts (-40%). Build your industrial and (of course) agricultural empire in Sid Meier's Civilization IV: The Complete Edition (-75%). Create a team of chefs in Overcooked! 2 Gourmet Edition (-40%) or form a band of relentless zombie hunters in Dying Light: The Following - Enhanced Edition (-70%). Finally, harvest your fear while celebrating the 25th anniversary of the cult horror classic Phantasmagoria (-35%).