SNK NEOGEO USA CONSUMER CORPORATION sent over a press release announcing that the company has shipped Metal Slug Advance, its first title for the Nintendo Game Boy Advance. The game features five, all-new, action-packed missions plus diverse areas and rugged terrain including subterranean dungeons such as mysterious ruins, limestone caverns, and lava zones. As an added bonus, Metal Slug Advance offers 100 different Metal Slug E-cards to enhance player's abilities and assist them in the completion of their missions. The E-cards can be found on missions and in dungeons during the game and will change the status of your character and the game, increasing the strength of your weapons, or opening hidden doors