Chitei Senkuu Vazolder

Chitei Senkuu Vazolder (released in North America as Wurm) is a multi-genre action game developed by SOFEL for the NES in 1991. Players pilot an advanced combat vehicle deep into the Earth's interior on a daring mission. The game's standout feature is a transforming vehicle that shifts between three distinct forms — a drilling tank, a hovercraft, and a jet fighter — each suited to different terrain and enemy types. Stages alternate between side-scrolling shooter sections and on-foot action segments, all set against a vivid underground ecosystem teeming with bizarre creatures. The post-apocalyptic sci-fi atmosphere runs throughout, and the varied stage design paired with distinct handling for each vehicle form keeps the challenge consistently high.