Metal Slug Advance is a run-and-gun video game released in 2004 for the Game Boy Advance handheld console. Developed by SNK Playmore, it is part of the widely acclaimed Metal Slug series. The game retains the franchise's classic side-scrolling shooter gameplay while incorporating new features, including a card collection system. Players choose between two characters, Walter and Tyra, to battle through various levels filled with enemies, vehicles, and boss fights, characteristic of the series' intense action-packed style and distinct humor. Its dedicated fan base and the genre of fast-paced action render it a memorable title for retro gaming enthusiasts.