Heli Fire (ヘリファイア) is an arcade game developed by Nintendo, and released in September 1980 by Nintendo. Some sources claim that Ikegami Tsushinki also did design work on Heli Fire. A Nintendo Entertainment System/Famicom port was planned but was canceled for unknown reasons. Similar to the 1976 Midway title Sea Wolf, players control a submarine in which they must survive as long as possible against a barrage of enemy attacks from the sea and above. The submarine can move in eight directions and can defend itself with missiles. While ships and mines attack the submarine from the water, enemy helicopters, which come in four different colors that designate their speed, drop missiles and depth charges at the submarine from the air. Each level consists of three sets of ten helicopters (for a to