Wai-wai World 2: SOS!! Parsley-jou is a single-player action, sports, shooter, casual, racing, puzzle, and platformer game in which players control Rikkuru as he navigates through various levels to rescue Princess Herb from the villain Waruumon. In this game, the story is set in the whimsical Wai Wai world, where the evil Waruumon has kidnapped Princess Herb, prompting the hero Rikkuru, created by Dr. Cinnimon, to embark on a daring rescue mission across diverse environments and challenges.