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.
Guides
Serious Sam: Siberian Mayhem – Hole-in-One Achievement
Hole-in-One Achievement Guide In Roadside picnic level, kill all the enemies in the last train defense fight using black hole. The objective is called: Stay here and kill them all! […]