ECX is a free addon for the Half-Life Mod ESF. The addon provides lots of changed and expansions like new characters, new transformations, new weapons and a changed gameplay. It is based on the Scripting Engine AMXX for Metamod and is coded server-side only.

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ESF ECX RC2

ESF ECX RC2

Full Version 40 comments

Description: ECX Stands for Evolution Class Extensions. Features - 30 default, unique characters. - Each character with a complete set of transformations...