Serious Sam: Siberian Mayhem PC Steam CD Key

About this licence

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 la

Product details

System requirements

Product-specific requirements have not yet been verified. Check the publisher’s compatibility information before purchase or ask support to confirm your setup.

Activation & installation overview

1. 1Open your platform (e.g. Steam) and choose ‘Activate a Product’.
2. 2Enter the key from your secure order page.
3. 3The title is added to your library — download and play.

This is a general activation overview; publisher screens can vary by edition and version.