 In response to UMA's involvement, Black commits a wave of terrorism across the world's oceans, such as bombarding coral reefs with radiation, provoking seismic activity, and downing the Space Shuttle Atlantis to prevent the deployment of a spy satellite.At the climax of the game, Black's secret headquarters are discovered within ice caverns in Antarctica, where the player faces off and destroys Black along his personal underwater combat vehicle.The programmers used 16 levels of distance fog to clarify the approach of objects and creatures.