Sqoon © 1987 Irem Corp.
North American release. Game developed in Japan. For more information about the game itself, please see the original Japanese release entry; "Sqoon [Model IF-04]
Description from the back cover:
SOS! THE WORLD IS SINKING! This is the beginning of Neptunian invasion of the Earth. Humans are becoming food for the aliens. You must: Rescue the people and bring them to safety; Destroy the hot water factories which are melting the ice caps; Destroy the bio-factories which create the scary Pirame, Anchos, and more; Destroy the base where hateful Neptunians live! You must rescue the Earth! SOS! SOS! The world is sinking! Neptunian invasion has begun!