The most reliable and complete "reference sets" are typically found on the Internet Archive .
If you build a retro arcade cabinet today, you aren't installing the latest bleeding-edge MAME; you are almost certainly reaching for 0.139. Consequently, a generation of new hobbyists suddenly needs software from 2010, driving the search volume for these ROMsets sky-high.
The most reliable and complete "reference sets" are typically found on the Internet Archive .
If you build a retro arcade cabinet today, you aren't installing the latest bleeding-edge MAME; you are almost certainly reaching for 0.139. Consequently, a generation of new hobbyists suddenly needs software from 2010, driving the search volume for these ROMsets sky-high. mame 0139 romset download hot