Bio-suit zombie

The Bio-Suit Zombie, also known as a Hazmat Zombie, is a monster included in Doom 3: Resurrection of Evil.

The Bio-suit zombie, normally found in toxic area where there is no oxygen, wears a Hazmat suit, they fight the same as a normal zombie, slashing at nearby players, but when killed drop valuable air tanks, which help the player stay alive much longer in toxic area. The hazmat zombie is not found very often in the game.