Half-Life 2 The Hidden Mod v1 Beta

An all-against-one multiplayer mod for Half-Life 2 in which one player is invisible, equipped only with a knife and grenades.
An all-against-one multiplayer mod for Half-Life 2 in which one player is invisible, equipped only with a knife and grenades, and everyone else is a gun-toting marine charged with hunting him down. Being a marine is conducive to wildly twitchy parano