With the rise of retro gaming online play (via tools like Flycast Dojo or Parsec), players need identical ROM sets to connect. An "Upd" archive often standardizes these files to ensure they are compatible with the latest netplay builds.
Many Japanese-exclusive titles have received translation hacks or region-header modifications, allowing them to display English text natively when booted. sega naomi roms archive upd
or a list of the currently available in the archives? With the rise of retro gaming online play