Australia 30th April 1999 U.S 30th April 1999 Europe 30th April 1999
Waterfall is the entrance to Weyland-Yutani's 'Area 52' installation.
A map made up from ravines, rooms and a waterfall, interconnected by corridors.
Through interconnecting tunnels and walkways, activating door switches and killing any marines, and finally up a lift by a waterfall.
Marines bonus level
A singleplayer and bonus level map.