Released in March 1986.
This game is known in Japan as "Ikari
The two heroes of the Ikari Warriors series, Paul and Vince, appear in the King of Fighters series as Ralf Jones and Clark Steel.
Ralf and Clark's commanding officer, General Kawasaki, was renamed Colonel Cook in the international version. General Kawasaki was named after Eikichi Kawasaki (former president and founder of SNK), while Colonel Cook was named after Leland Cook (co-founder of Tradewest, which distributed the game in the US).
Stan Szczepanski holds the official record for this game with 1,799,000 points.