Uploaded May 2022 | Updated September 2026, 1 day ago
Serious Sam: Siberian Mayhem Tomorrow Update delivers Survival, 6 new maps, 8 new playable characters, modding tools, and more.
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Available Now!
Steam: devolver.link/SiberianMayhem
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!
Serious Sam: Siberian Mayhem Tomorrow Update delivers Survival, 6 new maps, 8 new playable characters, modding tools, and more.
---
Available Now!
Steam: devolver.link/SiberianMayhem
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!
