THQ's S.T.A.L.K.E.R.: Shadow of Chernobyl is now available on Steam, a leading online platform for the distribution and management of PC games. Offering a unique combination of First-Person Shooter (FPS) and Survival-Horror action, S.T.A.L.K.E.R.: Shadow of Chernobyl gives gamers unprecedented freedom to explore the devastated exclusion zone that surrounds the Chernobyl power plant following a second apocalyptic explosion.
This is the best first person shooter game for players who can make quick decisions and do not give up till the very end. 
