All files for a parent and its clones are in one ZIP file. Best for saving space if you want every version.
A "full set" refers to a complete collection of all ROMs, CHD files (Compressed Hunks of Data – large hard drive or laser disc images), and BIOS files that a specific version of MAME supports. Full Set Mame Roms Download
: ROMs are tied to specific versions of the MAME Emulator . If you download a "0.260" ROM set but use a "0.139" emulator, many games simply won't launch due to updated file signatures. All files for a parent and its clones are in one ZIP file
: Every ZIP is completely standalone. This is ideal for picking only specific games but results in significant file duplication. CHDs (Compressed Hard Disk Images) : ROMs are tied to specific versions of the MAME Emulator
Would you like a guide on legally acquiring and running arcade games through MAME using your own hardware?