The Legend of Stafy 3

Densetsu no Starfy 3 is a side-scrolling platformer where players control Starfy, the prince of Tengai, and his sister Stappi. While pursuing the escaped villain Ogura, the siblings use double jump, super spin, slam, and other moves to clear stages filled with underwater enemies and bosses. They can switch characters mid-stage with slight differences in abilities, adding replayability. A special extra mode after the main story involves collecting evil crystals. The game features vibrant ocean-themed levels, detailed enemy designs, and a catchy soundtrack. It stands out as the series finale on GBA with improved graphics, music, and cooperative-style platforming that raised the bar for the platformer genre.