Play the original arcade version of “METAL SLUG ” with its charismatic protagonist soldiers Marco & Tarma, maneuver the almighty “METAL SLUG ” tank, and fight your way through the 6 missions of the game to thwart Gen. About This Game “METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where it all began, returns on the Steam gaming platform! MAIN FEATURES ・ARCADE MODE (MAIN MISSION):