The Earth is in chaos with constant earthquakes and volcanic eruptions shaking the planet. To uncover the mystery behind these disasters, the Vector Zilus Research group has crafted the Wurm, a versatile vehicle designed to explore deep beneath the Earth's surface. However, previous missions have mysteriously lost contact, leaving just one last chance for success. You step into the shoes of Moby, the leading Commander of the Marine Corps, chosen to lead this critical expedition. As you journey deeper, your Wurm can transform from a drill tank to a hovercraft and even into a high-speed jet fighter, all armed with cutting-edge weaponry. Brave through 26 thrilling levels, and if you can solve the mystery, you might just save the planet!