Super Onion Boy 2 is a thrilling 2D retro-style adventure game where you embark on a heroic quest to rescue your kidnapped friend from a fearsome monster wielding psychic powers. Battle through waves of enemies using incredible superpowers and dynamic transformations, collect coins and stars to gain extra lives, uncover magical potions hidden in treasure chests, and face off against formidable bosses as you progress toward the ultimate showdown.