Serious Sam 2 is the sequel to the Serious Sam: The Second Encounter. The game has single-player and multiplayer mods. In the single-player campaign, the player controls the main protagonist of the series named Sam “Serious” Stone who is once again challenged by extraterrestrial overlord Mental and his infernal forces that want to destroy the humanity. In order not to let them do that, Sam must to go through various different worlds and collect parts of a medallion. In his journey, Sam meets nat...