Negotiations have broken off and hostages have been taken! Your country needs a highly trained mercenary to neutralize the enemy and free the hostages. Metal Slug 6 is a 1 or 2 player game with continuous buy-in. It is the first installment of the series developed on Sega's arcade hardware system. Metal Slug 6 includes 6 characters, with two new being Ralph and Clark from the King of Fighters series. Plus, two new player control buttons have been added to allow for greater control over the action!