All of the gameplay additions such as Galil, Famas, and the riot shield were backported to the vanilla Counter-Strike in 2004. Later added was Deleted Scenes which is an actual single-player campaign that was cut from the original release. Counter-Strike: Condition Zero (2004): A stand-alone expansion pack with remade models, textures, visuals, and maps (in vein of Half-Life: Blue Shift) while running on the same engine and also adds few new weapons and tools, along with a simple single-player mode and bot support.Ported to the Xbox (with updated graphics and without the Half-Life title) in 2003.
COUNTER STRIKE ONLINE XTREME MOD
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It started as a 'Terrorists vs Counter-Terrorists' modification for the original Half-Life 1 inspired by tactical shooters such as Rainbow Six until Valve decided to release it as its own standalone game on retail discs, and later via Steam. The most popular online First-Person Shooter in the world, with some claiming it generates more Internet traffic than the whole of Italy.