This map is very similar to the fourth mission Argent Facility but this time the demons have destroyed the place. Overview DOOM - Hangar DOOM – Nuclear Plant DOOM – Toxin Refinery The classic map fragments beginning with the Toxin Refinery fragment in the Argent Facility do not have any enemies at all, but do usually provide equipment for the player. These classic levels will make a lot of old DOOM gamers happy, and will be a flashback for them. A whole new doom game to play Has both cooperative and … Drop a long way to reach him. Eight levels of killing monsters in corrupted bases and demonic strongholds as you try to thwart Hell's plans to construct twisted machines using stolen and warped UAC technology.