To ensure your 0.72 ROMs are correct:

MAME 0.72 is a legacy version of the Multiple Arcade Machine Emulator, most notably used as the foundation for on platforms like Android, Raspberry Pi, and Nintendo Switch. Because MAME evolves by updating how it "reads" hardware, ROMs must exactly match the version of the emulator being used. Why MAME 0.72?

The Neo-Geo version of Metal Slug 3 is massive. On 0.72, users had to ensure their neogeo.zip BIOS was dated correctly. This version ran the infamous "zombie transformation" level without the slowdown found on actual hardware (a feature, not a bug, to some).

Mame 0.72 Roms Link

To ensure your 0.72 ROMs are correct:

MAME 0.72 is a legacy version of the Multiple Arcade Machine Emulator, most notably used as the foundation for on platforms like Android, Raspberry Pi, and Nintendo Switch. Because MAME evolves by updating how it "reads" hardware, ROMs must exactly match the version of the emulator being used. Why MAME 0.72? mame 0.72 roms

The Neo-Geo version of Metal Slug 3 is massive. On 0.72, users had to ensure their neogeo.zip BIOS was dated correctly. This version ran the infamous "zombie transformation" level without the slowdown found on actual hardware (a feature, not a bug, to some). To ensure your 0