A "Full Set" refers to a complete collection of every ROM file supported by a specific version of the MAME emulator. Unlike individual downloads, a full set ensures you have the parent ROMs, clones, and BIOS files necessary to run any game in the database. The Three Types of ROM Sets
Clones are stored separately from parents. This is the most common format but requires you to keep the parent ROM for the clone to work. Where to Find Full Set MAME ROMs Downloads Full Set Mame Roms Download