

Meet a gang of new outcasts and unexpected characters who will help Sam on his journey to Tunguska. When you think the journey is over and there are no more stories to tell, the universe gives you a second chance. Treat yourself with a deadly arsenal of new weapons, from the legendary AK to experimental 'Perun' crossbow, and more! Do you want to cause death from above or become one with 50 tons of first-class firepower? New gadgets and vehicles are locked, loaded and ready to fulfil your most destructive dreams. There's only one thing that stands between Serious Sam and his enemies - a gun. including some of the most advanced and intimidating creatures you never expected to see. A new set of dangerous foes and bosses join the Horde in 'Siberian Mayhem'.

Only the strongest souls survive in Siberia, and Mental knows it well. Siberia is large enough for you to fight & explore for as much as you want. Travel through five new levels set in a beautiful and dangerous world, from Arctic coastlines and desolate forests to abandoned villages and a chilling ghost town. This place is huge, cold, and so unpredictable even the alien invaders feel lost. The road is long, and there is oh so much to see. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through its vast landscapes on a quest to catch up with the traitorous General Brand, who remains one step ahead of Sam at every turn. Co-developed by Croteam and long-time fans and prolific Serious Sam modders Timelock Studio, Siberian Mayhem is a brand new standalone chapter in the adventures of ‘Serious’ Sam Stone.
