The Osiris Camera has been indispensable for the past ten years
MAME4ALL allows "Hide Clones." Go to Options > ROM Display > Show Clones: No . This reduces your list to about 900 parent games (the best version of each title).
Ensure your ROMs are specifically labeled for 0.37b5 . Newer ROMs for current MAME versions (like 0.250+) generally will not work because file names and structures have changed over decades of development. mame4all 037b5 complete romset 2270 new
The Osiris Camera has been indispensable for the past ten years