Serious Sam: Siberian Mayhem Breaks Out

Serious Sam: Siberian Mayhem us now available for Windows on and Steam, offering a new standalone installment in the fast-paced shooter series. Serious Sam 4 is not required to play, but if you do already own it, you are entitled to a 25% loyalty discount. You can get a look at the mayhem in the gameplay-filled release trailer. Here's more:
Welcome back to the world of Serious Sam in 'Siberian Mayhem' - a new standalone chapter in the adventures of 'Serious' Sam Stone. Make your way through the vast Russian landscapes on a quest to catch up with the traitorous General Brand, who remains one step ahead of Sam at every turn. The road is long, and there is oh so much to see.

Co-developed by Timelock Studio and Croteam, 'Serious Sam: Siberian Mayhem' presents an expanded look at a familiar journey full of forgotten stories, unexplored places, and Sam's trademark guns-blazing battles against Mental's Horde. Join the fight, comrade!