Carry two power-ups at once and switch between them on the fly.
Metal Slug 6 MAME 0.139u1 (often used with MAME4droid on Android) is complicated because the original game was released on Atomiswave metal slug 6 mame 0139u1 rom top
Metal Slug 6 introduced Ikaruga-style “weapon stock” switching. Use the Tab menu to map “Button 4” on your controller. This switches between your primary and captured weapon—critical for high-score runs. Carry two power-ups at once and switch between