Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co. Jan 17, 2014  · Enter your email address to follow this blog and receive notifications of new posts by email. Join 1,659 other followers Mr. Castronova is one of a small but growing crop of academics who are researching multiplayer games like Second Life and World of….