When dealing with , there are a few technical hurdles to keep in mind for Metal Slug 6: 1. The Romset Match
Here’s a you could implement or request for Metal Slug 6 running on MAME 0.139u1 : metal slug 6 mame 0139u1
Running this specific arcade ROM on the 0.139u1 core (popularized by MAME4droid for mobile) comes with a few caveats: Smooth Emulation When dealing with , there are a few