: A custom BIOS that allows you to toggle between MVS (arcade) and AES (home) modes, unlock cheats, and change regions.

When a game boots, it checks the system BIOS. If it sees an MVS BIOS, it enables arcade settings. If it sees an AES BIOS, it unlocks home console features like "Limited Continues" and "Training Mode." 🛠️ Modern Ways to Play

Games like Metal Slug and The Last Blade still look stunning today.

Today, these ROMs are utilized in everything from official SNK compilations and the Neo Geo Mini to community-driven emulation projects like MAME and FinalBurn Neo, ensuring that the "New World" of 1990 remains accessible to gamers today.

To play Neo Geo MVS ROMs on modern hardware, you need two primary components beyond the game files themselves:

SNK still holds the rights to these games. Downloading ROMs for games you do not own is generally considered copyright infringement.