Setting up Neo Geo games in RetroArch requires the FinalBurn Neo or MAME core, the neogeo.zip BIOS file placed in the system folder, and compatible non-merged ROM sets. Recommended practice includes placing a copy of neogeo.zip in the ROM folder and using the Quick Menu to toggle between AES (console) and MVS (arcade) modes. For a detailed video walkthrough, see YouTube.
Here’s a concise report on using Neo Geo ROMs with RetroArch. neo geo roms for retroarch
neogeo.zip in your ROMs folder.Once your ROMs load, you need them to look good on a 4K monitor. The Neo Geo native resolution is 320x224 at a weird refresh rate (59.18 Hz). Setting up Neo Geo games in RetroArch requires