After the Proxima War was won in the far reaches of space, Federation members have now gone back to their planets to defend them. You planet is now under attack from the enemy after they used nuclear photons to break through the Quasar Defence System. In your Taranula C1 Patrol Ship, you must fly over the surface of your planet and destroy the enemy crafts. The game is viewed from a 3rd person perspective behind your craft flying into the screen. You are able to move left or right and blast the various waves of enemy with your gun. If you touch an enemy craft then you lose one of four lives.