Free Game Dow...: Counter Strike: Extreme V7 (2013)

Features dozens of "zany" weapon designs and skins that weren't in the original game, such as specialized rifles for fighting monsters.

The original game (which the Extreme mod is based on) is available on Steam for a small fee.

Because it's based on older tech, it can run on most modern low-end PCs: Windows XP or later. CPU: Intel Core 2 Duo or AMD Phenom X3 at 2.4 GHz. RAM: 2 GB. Storage: At least 15 GB of free space. Counter Strike: Extreme V7 (2013) Free Game Dow...

This version became a cult classic due to its massive amount of extra content added to the base game:

Since this is an unofficial mod, most download links are hosted on unverified third-party file-sharing sites. If you’re looking for a safe and legal way to play Counter-Strike , consider these official versions: Features dozens of "zany" weapon designs and skins

It includes several non-standard modes like Zombie Mode , Ghost Mode, and Alien Mode.

This is an official free-to-play version on Steam that includes many of the crazy zombie modes and weapons found in the "Extreme" fan mods. Minimum System Requirements CPU: Intel Core 2 Duo or AMD Phenom X3 at 2

Players can choose from a wide range of character models, including heroes and villains from other franchises. Safety and Official Alternatives