Vavoom is a source port based on sources of Doom, Heretic, Hexen and a little bit from Quake. To play Vavoom you need main wad file from Doom, Ultimate Doom, Doom II, Heretic, Hexen or Strife. Differences from original game: * Polygonal engine with colored lighting, with software mode, OpenGL support; * Translucency; * Complete support for freelook (look up & down) in all games; * A powerful language to describe game logic; * 100% client/server architecture with in-game joining; * Quake-style console, with key bindings; * Indirect support for DeHackEd; * Crosshair; * Jumping; * And many other cool things...