While the Gunlord X port on Switch adds new features, playing the original Neo Geo ROM offers:

For decades, the Neo Geo library was a closed book—a definitive collection of 148 titles (fighting games, shooters, and beat 'em ups) from the 90s. However, in the modern era, a company called NG:DEV.TEAM (known for Fast Striker and Last Hope ) broke into this exclusive club. is widely considered their magnum opus.