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.
Description: ECX Stands for Evolution Class Extensions. Features - 30 default, unique characters. - Each character with a complete set of transformations and attacks. - Lots of new attacks. - Dance and Potara Fusion ( Gogeta; Gotenks and Vegetto ). - A compilation of well known maps. - A Development Kit to modify current and create new characters for ECX will be provided in a different release.