The file extension is the standard format for Nintendo 64 ROM files, representing a "big-endian" byte order that matches the original N64 hardware. While it is the base format for the original 1996 classic, in the modern modding community, it is most famously associated with the sm64.z64 horror rom hack. The Evolution of the .z64 Format
The game audio began to distort. A high-pitched ringing sound, the sound of a cartridge being pulled out of a slot while the system was still on, pierced the speakers. mario 64 rom z64
Several tools and software are available for working with the Z64 format: The file extension is the standard format for
Elias reached for the power button on his PC tower. His hand was shaking. A high-pitched ringing sound, the sound of a
Originally associated with the Doctor V64 backup device. The Role of .z64 in Modern Modding