Dystopia. A Cyberpunk Mod for Half-Life 2.

Dystopia is a total conversion of Half Life 2 currently under development by Team Dystopia. We are a collection of dedicated and talented gamers who are creating an action packed multiplayer game. Drawing on the themes and concepts of the Cyberpunk genre and implementing ideas born out of years of gaming experience with a diligently designed gameplay system, we hope to produce the next step in online multiplayer gaming.

And it can be found here