Serious Sam: The Second Encounter Full PC Game Size: 577 MB. In the near future, during the first interstellar travels, humans encounter great evil roaming the galaxy for last few eons. The evil being is an incarnation of the last of the ancient immortals named Tah-Um (or in English – Notorious Mental). Download Serious Sam 2 for PC Torrent Serious Sam 2 on PC is a full-blown first-person shooter in which you play Sam “Serious” Stone in the grip of hordes of devilish creatures led by Mental, the world’s largest Singing of the universe. Serious Sam 2 is an action video game developed by Croteam and published by Devolver Digital.It was released on 11 Oct, 2005 for PC.This game is still as hilarious and fun to play as it was back in 2005. Even the graphics look pretty good for its age. Gameplay is a little primitive but at the same time that's what you expect and want from a serious sam game. 14 hours well spent reliving the.