The origin of the franchise starts here!. Mixing a full action-adventure with 2D'side-scrolling of the 8-bits NES (Nintendo Entertainment System), with two eventual 3D's isometric levels, the year is 2633 and the evil Red Falcon Organization have set a base on the Galuga archipelago close to New Zealand, in a plot to launch an attack to conquer the world. Prevented about it, Earth's government calls to two commandos, Pfc. Bill Rizer and Pfc. Lance Bean of the Contra unit (an elite group of soldiers specializing in guerrilla warfare), to send to the island in order to destroy the enemy forces and uncover the true nature of a possible alien entity which it could be controlling them. Can they pull it off in time to save the world?