XDoom

XDoom is a source port for UNIX and UNIX-like systems written by Udo Munk. It can play levels created for Boom and includes several new features, some of which are not seen in other ports.

Features

 * compatibility with Boom editing features
 * MUS music playback on systems supporting the OSS MIDI interface
 * playback of music from audio CDs
 * joystick support under Linux
 * translucent walls, fireballs, and explosions
 * a sound for the chaingun separate from the pistol
 * an in-game communications device
 * laser barriers and force fields
 * horizontally sliding doors
 * simple magnification to play on screens up to a resolution of 1280x800
 * support for The X Window System,  SVGALib and  3dfx Glide framebuffers