Once it’s set up correctly, you’ll be enjoying arcade-perfect Garou: Mark of the Wolves , Metal Slug 3 , and The Last Blade 2 without any green screens standing in your way.
Place the neogeo.zip file directly into your MAME roms folder. It must sit alongside your game ZIP files (e.g., mslug.zip for Metal Slug). mame neogeo bios
Press F2 (or Tab → Machine Configuration → BIOS) during the NeoGeo splash screen. Select "USA" or "Europe" from the BIOS menu. Save settings and reset. Once it’s set up correctly, you’ll be enjoying