: Even in modern versions of MAME, Atomiswave games are notoriously difficult to emulate at full speed without high-end desktop hardware due to the lack of hardware-assisted rendering. Better Alternatives for Metal Slug 6
: Unlike modern retro arch cores (like Flycast), MAME 0.139u1 relies entirely on your CPU rather than your GPU to render the Atomiswave’s graphics. Frameskip may be required on lower-end devices. 3. Required Romset Files metal slug 6 mame 0139u1