In the world of emulation, few combinations are as iconic as the Neo Geo hardware and the MAME (Multiple Arcade Machine Emulator) software. For those looking to relive the golden age of 2D fighting games and shooters—titles like The King of Fighters , Metal Slug , and Samurai Shodown —understanding the role of the Neo Geo BIOS is essential.
You dump it from original NeoGeo hardware (ARCADE or AES) – or find a Universe BIOS (free download from the official site for use with emulation). neogeo bios for mame