Phobos Massacre - E1M9: Military Base HD

PWAD: Phobos Massacre (phobmass.wad) IWAD: The Ultimate Doom (doom.wad) E1M9: Military Base Difficulty: Ultra-Violence Played through GLBoom+, getting 100% Kills and Secrets. Download the WAD here: https://www.doomworld.com/idgames/levels/doom/Ports/p-r/phobmass