Let’s be brutally honest: Downloading a "Neo Geo ROM pack" from a random website is in almost every jurisdiction.
If a pack says "1000+ Neo Geo Roms," it is a lie. There are only 148 official MVS (arcade) titles and roughly 100 AES (home) titles. Any pack claiming thousands includes duplicate hacks, bootlegs, and unsupported homebrew. Neo Geo Rom Pack Download