Press release

Here Comes The Mayhem - Siberian Sam: Siberian Mayhem Launches Today!

Burst into the chaos, guns blazing!

Timelock Studio and Serious Sam 4 developer Croteam have unloaded the cold winds of chaos today on Steam, with the launch of standalone expansion Serious Sam: Siberian Mayhem!

Watch the trailer here.

Immerse yourself in vast Russian landscapes, in five brand new missions set in a chilling ghost town, desolate forests, abandoned villages - along the freezing Artic coastline.

Never seen before foes await your gun slinging wrath as a new set of dangerous foes and bosses join the Horde - including some of the most advanced and intimidating creatures the hallowed FPS series has ever seen.

Lock and load!

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