Serious Sam Siberian Mayhem: Level 2 - The Song of the Stormbringer playthrough (Hard, 100% Secrets

Full playthrough of Serious Sam Siberian Mayhem in Hard difficulty and 100% secrets #gameplay #gameplay #gaming #playthrough #serioussam #amd #fps #games #game #pc #pcgaming #serioussam4 #serioussampc #serioussamgame #serioussam #siberianmayhem