Use YOUR ARROW KEYS to move and jump and aim and shoot with YOUR MOUSE. Be sure not to walk into fires, fire is bad for you. Some zombies can hang on to you and slowly eat you up, that is also bad for you. The object of this game is to survive in a hostile word and kill as many zombies as you can.

Once upon a time there was a game mod called Counter-Strike, which took the world of online gaming by storm. Over the past few years it?s become even more popular than the game it was based on (namely Half-Life) and is arguably the most played online shooter in history. With the sequel to Half-Life in the making, Counter-Strike?s developers at Valve decided to remake the aging classic for the modern technological age, taking advantage of its big brother?s brand spanking new ?Source? game engine.
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