Welcome to the world of multiplayer mapping or player-versus-player (PVP) mapping.    Multiplayer mapping is a more complex beast than people might imagine. Projects of the past often drew on single player maps, either thematically, structurally, or just tossed in deathmatch starts right into the single player areas! Eventually some single-player sets would make a dedicated deathmatch arena off to the side. However, the best crafted maps are ones dedicated to the cause. This guide will