Humble StoreBest$7.99$19.99
-60%
ShooterAdventure
Serious Sam: Siberian Mayhem — Best Price & Deals
3.7
Developer: Croteam, Timelock Studio
Publisher: Devolver Digital
Released: January 25, 2022
xboxPCplaystation
Wait before buying Serious Sam: Siberian Mayhem — ThereAny Score 46/100, currently 60% above its all-time low.
Our take
Next major sale: Autumn Sale in 34 days
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.
Serious Sam: Siberian Mayhem has 5 active deals across Humble Store, Fanatical, GOG. The current lowest price is $7.99 on Humble Store — a 60% discount off the $19.99 retail price. Historical low: $4.99 (Jun 8, 2026). Compare prices on Steam, Epic Games Store, GOG, Fanatical, and more major PC game retailers below.