Officially a standalone expansion for Serious Sam 4, Serious Sam: Siberian Mayhem is out now and bringing a fresh army of weirdos to blast.
Seriously cold
A community mod gone official standalone expansion under the blessed guidance of the Seriously talented Croteam, Serious Sam: Siberian Mayhem finds the series’ iconic dual wielder braving an Arctic blast of carnage. Seriously devastating weapons await Sam as he gears up to blast scores of enemies new and old. Serious Sam 4 owners can also steady their sights on a 25 percent discount on Serious Sam: Siberian Mayhem‘s new firefights.
Devolver Digital
Serious Sam: Siberian Mayhem is out now on the PC, and is a standalone title. So you don’t have to have a copy of SS4 to play.