Within your MAME frontend (LaunchBox, Hyperspin, or RetroArch), create a filter to hide:
Which (LaunchBox, RetroArch, Batocera) do you plan to run? mame full set roms better
: A curated "Best Of" list can reduce the library from 30,000+ files to under 3,000, shrinking the size from over 100GB to roughly 11GB without losing any classic "hits". Non-Merged Convenience : Users who only want a few games should look for Non-Merged Within your MAME frontend (LaunchBox