Using a joystick, the player controls a ship descending into the tunnels of Mars, firing at targets along the way.
Mars | Veronica Mars | The Mars Volta | Bruno Mars | Thirty Seconds to Mars | Mars, Incorporated | Mars (mythology) | Mars Science Laboratory | Mars Exploration Rover | Mars trilogy | Mars Pathfinder | Champ de Mars | An Anthropologist on Mars | Pyramids of Mars | Mars Global Surveyor | Mars and Beyond | Life on Mars (UK TV series) | Life on Mars | Field of Mars | Mars Society | Mars Lasar | Carlsbad Caverns National Park | A Princess of Mars | The Waters of Mars | Men Are from Mars, Women Are from Venus | Mars University | Mars Reconnaissance Orbiter | Mars Attacks! | life on Mars (planet) | life on Mars |