Vanguard II was produced by SNK in 1984. SNK released 156 different machines in our database under this trade name, starting in 1979. Other machines made by SNK during the time period Vanguard II was produced include Gladiator 1984, Jumping Cross, Main Event, Mad Crasher, Alpha Mission, Joyful Road, Marvin's Maze, Lasso, Satan Of Saturn, and Sasuke Vs. Commander. Vanguard 2 defends the planet from an attacking alien space platform that is defended by enemy spacecraft. The Fire button handles air-to-air combat but it takes the Missile button to destroy the continually moving space platform below.