What is Serious Sam: Siberian Mayhem PC?

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. This page focuses specifically on the PC (Windows) version of the game, including prices, regions, activation methods and compatible storefronts.

How can I find the best price for Serious Sam: Siberian Mayhem PC?

We track live prices for Serious Sam: Siberian Mayhem PC from official retailers and trusted third-party marketplaces. Use the country, platform and service filters below to compare offers side by side and quickly spot the cheapest key that works in your region.

How do I redeem a Serious Sam: Siberian Mayhem PC game key?

After you buy a Serious Sam: Siberian Mayhem PC game key, you'll receive a secure digital code (often called a CD key or activation key). Redeem it through the correct platform client — for example Steam, PlayStation, Xbox or another supported launcher — and the game will be added to your library for download. Always double-check platform and region compatibility before you purchase to avoid activation issues.

About Serious Sam: Siberian Mayhem PC

Game details

Publisher	Devolver Digital
Developer	Croteam, Timelock Studio
Genre	Adventure, Shooter
Game mode	single-player, multiplayer, co-op
Theme	Action
Platforms	PC (Windows), PlayStation 5, Xbox Series X\|S