In addition to the original four (Marco, Tarma, Eri, and Fio), the game introduces Ralf Jones and Clark Steel from the Ikari Warriors and King of Fighters franchises.
Unlike its predecessors, Metal Slug 6 features a significant overhaul in gameplay mechanics and character roster: metal slug 6 mame 0139u1
A major mechanical shift where players can now carry two power-up weapons simultaneously and switch between them using the newly added 'E' button. In addition to the original four (Marco, Tarma,
For the first time, characters have unique traits; for example, Ralf has a "Vulcan Punch" and can take two hits before losing a life, while Tarma provides a significant boost to vehicle (Slug) performance. Compatibility with MAME 0.139u1 characters have unique traits