Planeptune is a fictional world from the video game series Hyperdimension Neptunia. It is depicted as a vibrant, colorful land that represents the gaming industry, specifically focusing on the PlayStation brand. The city is known for its advanced technology and is home to various characters, including the CPU Neptune, who embodies the spirit of the platform. The landscape of Planeptune features a mix of urban and natural environments, with landmarks such as the Planeptune Basilicom, where the CPU resides. The world is characterized by its whimsical design and playful atmosphere, reflecting the lighthearted tone of the series.