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Serious Sam Series
About Serious Sam: Siberian Mayhem
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!
WELCOME TO SIBERIA
...the heart of Russia. This place is huge, cold, and so unpredictable even the alien invaders feel lost. 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. Siberia is large enough for you to fight & explore for as much as you want.BEASTS OF THE APOCALYPSE
Only the strongest souls survive in Siberia, and Mental knows it well. A new set of dangerous foes and bosses join the Horde in 'Siberian Mayhem'. Including some of the most advanced and intimidating creatures you never expected to see.TEMPERED STEEL
There's only one thing that stands between Serious Sam and his enemies - a gun. 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 fulfill your most destructive dreams.AT HOME AMONG STRANGERS
When you think the journey is over and there are no more stories to tell, the universe gives you a second chance. Meet a gang of new outcasts and unexpected characters who will help Sam on his journey to Tunguska. Complete side-missions in order to uncover new chronicles these wild places uphold. And pay attention to your surroundings - the world itself can tell you something you never expected to hear.SIBERIAN MYSTERIES
The lands of Siberia are huge, desolate, and full of secrets. Useful, silly, weird, familiar... you name it. Can you find them all?Game Specifications
- Single player
- Multiplayer
- Co-operative
- Xbox Series X|S
- Windows
- PlayStation 5
System Requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: 4-core CPU @ 2.5 GHz
- Memory: 8 GB RAM
- Graphics: nVidia GeForce 780/970/1050 or AMD Radeon 7950/280/470 (3 GB VRAM)
- DirectX: Version 11
- Storage: 25 GB available space
- Additional Notes: Requirements are based on 720p rendering resolution at 30 FPS
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit (1909)
- Processor: 8-core CPU @ 3.3 GHz
- Memory: 16 GB RAM
- Graphics: nVidia GeForce 1080/2060 or AMD Radeon Vega64/5700 (8 GB VRAM)
- DirectX: Version 11
- Storage: 25 GB available space
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Price History
Frequently asked questions about Serious Sam: Siberian Mayhem
What is the cheapest price for Serious Sam: Siberian Mayhem Steam key?
The cheapest redeemable Steam key currently listed is $6.58 at K4G. The cheapest account offer is $2.85 at Gameseal. Account offers provide login credentials instead of a key you redeem on your own account. Prices were last checked on October 23, 2026.
View key offersWhat is the difference between key and account offers for Serious Sam: Siberian Mayhem?
Gamescade currently lists 20 redeemable keys and 4 account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Serious Sam: Siberian Mayhem?
Minimum PC requirements for Serious Sam: Siberian Mayhem include a 4-core CPU @ 2.5 GHz CPU, 8 GB RAM, a GPU with nVidia GeForce 780/970/1050 or AMD Radeon 7950/280/470 (3 GB VRAM), and 25 GB of available storage. See the full requirements below.
What is the Serious Sam: Siberian Mayhem release date?
Serious Sam: Siberian Mayhem was released on January 25, 2022.
Is Serious Sam: Siberian Mayhem single-player, multiplayer, or co-op?
Serious Sam: Siberian Mayhem supports Single player, Multiplayer, and Co-operative.
Where can Serious Sam: Siberian Mayhem offers be activated?
Current Serious Sam: Siberian Mayhem key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
What other games are in the Serious Sam series?
Gamescade lists these related games from the Serious Sam series:
Which platforms have active Serious Sam: Siberian Mayhem deals?
Gamescade currently lists active Serious Sam: Siberian Mayhem deals for PC, PlayStation 5, and Xbox Series.
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