Also known as Serious Sam: Siberian Mayhem, serious sam siberian mayhem, serious-sam-siberian-mayhem
Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
Hey folks, It's a massive day for everyone at Croteam and Devolver Digital because we get to announce a brand new partnership with Behaviour Interactive, who are working on the next installment of the Serious Sam series…
Browse past updates and patch notes for this game.
Top picks from 51 Steam achievements, sorted by player unlock rates.
