Serious Sam: Siberian Mayhem

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.

Developer: Croteam. Publisher: Devolver Digital.

Tags: Solo · Co-op, Boomer Shooter, Action, Adventure.

Steam reviews: Very Positive (93% of 4,452).

Price: $19.99.

Released 2022-01-25.

Last updated 2026-03-26.

Serious Sam: Siberian Mayhem on Game Goose · Steam store page

Find more PC games on Game Goose.