Australia 30th April 1999 U.S 30th April 1999 Europe 30th April 1999
Caverns is a U.S.C.M.'s controlled Xenomorph habitat.
A map made up from lifts, rooms, and to the lower levels a hive.
Starting at the entrance to the carverns, desending through a lift shaft to the lower levels where you find yourself up against praetorians.
Aliens bonus level
A singleplayer and bonus level map.