The primary utility of a Super Mario Galaxy ROM is to play the game without the original hardware. Through the use of emulators—software that mimics the hardware of a console—players can run these ROM files on modern devices.
For the Wii, games were stored on proprietary optical discs. A Super Mario Galaxy ROM (often formatted as .iso , .wbfs , or .rvz ) is essentially a digital "snapshot" of that physical disc. This file contains all the code, assets, music, and level data required to run the game. super mario galaxy rom
Ripping your own Wii disc using a homebrew-enabled Wii or a specific LG optical drive (a process called "dumping"). The primary utility of a Super Mario Galaxy