Descend into a subterranean world of adventure in Blaster Master for the NES. When your pet frog falls into a radioactive pit, you'll jump into the cockpit of the advanced battle tank, SOPHIA, to rescue him. This classic action-adventure game features a unique blend of side-scrolling vehicle combat and top-down exploration as you exit the tank to explore caverns on foot. It's a challenging and beloved 8-bit masterpiece.