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is a popular, fan-made mod of the original Counter-Strike 1.6 that was widely shared around 2011–2013. It is not an official Valve release , so caution is recommended when looking for download links on third-party sites. Key Features of V7
It includes several non-standard modes like Zombie Mode , Ghost Mode, and Alien Mode.
The original game (which the Extreme mod is based on) is available on Steam for a small fee.
