You must neutralise the power nodes before you get obliterated. When all nodes have been neutralised you advance to the next screen. Defences consist of Drones, Neutron Runners, Gamma Tracers and Geddon Riders. You start with five lives and gain an extra one every four screens. When bombs are present the border changes colour, and a warning sound is heard …

An underwater action game in which you must collect keys to unlock and get diamonds and pearls, while avoiding things like sharks and galleons.