It's clear that Princess Peach: Showtime was designed with casual audiences in mind, given its developer Good Feel's history of producing charming titles that are accessible to all audiences. Despite the core gameplay of Princess Peach: Showtime following a somewhat simplistic formula, the game's optional content provides a solid challenge that more seasoned fans of the Mario franchise shouldn't skip out on. Within the game's collectathon elements hide what may be its greatest challenges, requiring players to uncover the game's secrets to unlock everything Princess Peach: Showtime has to offer.