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A mod for The Ultimate Doom
A GZDoom MOD using Kontra Kommando's Aliens: Trilogy/Ultimate Doom modification as its base. Play as four unique classes against the power of the Xenomorphs, all while battling with Weyland/Yutani Company forces, opportunistic mercenaries, and malfunctioning combat droids. Play with Doom or Doom 2 wads and pwads or try the included map set for the ultimate terror.