Serious Sam: Siberian Mayhemin, a new update trailer from Devolver Digital, features Sam destroying crowds of enemies once more.
New playable characters, a survival mode, mod support, and a Steam Workshop page were all added to the game as part of the update.
The game also features six new maps and eight new character models for the player to enjoy.
The update is already available in the game.
Serious Sam: Siberian Mayhem is a standalone expansion for Serious Sam 4 in which Sam battles hordes of enemies across Siberia. Only PC users can play the game.