 Serious Sam (video game)

Serious Sam is a first-person shooter video game, released in two episodes and the first in the "Serious Sam" series, developed by Croteam.Originally released for Microsoft Windows only, "Serious Sam" rising popularity resulted in the porting of the episodes to the Xbox, GameCube, PlayStation 2, Game Boy Advance, Linux and Palm OS, as well as in the remaking of both episodes for Microsoft Windows, Linux and Xbox 360 in high-definition.