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About
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.
Where to buy
Prices for US · Updated 10/13/2026
News
Serious Sam May Be Back Sooner Than Expected, According to New Leak - GameRant
GameRant · 2/25/2026
Serious Sam: Siberian Mayhem - Release date, gameplay, trailer, price, PC system requirements, more - ginx.tv
ginx.tv · 7/19/2024
Xbox Game Pass: July 2023 Update - Venba, The Wandering Village, Serious Sam: Siberian Mayhem & more - Explosion Network
Explosion Network · 9/21/2023
10 Hardest Achievements To Unlock In Serious Sam: Siberian Mayhem - TheGamer
TheGamer · 7/31/2023
Xbox Game Pass adds Serious Sam: Siberian Mayhem today - TrueAchievements
TrueAchievements · 7/25/2023
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