Smash through the Russian Tundra with friends in 4-player online co-op mode!
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.
This page contains co-op info for Serious Sam: Siberian Mayhem on the PC. All information about Serious Sam: Siberian Mayhem was correct at the time of posting. Information is subject to change. If you see any errors please email us.