A PlayStation Portable version was later released in Japan in June 2006, then in 2007 in North America by Mastiff in February and in Europe by 505 Game Street in March.

Parin can acquire various headwear which have varying effects while equipped, such as protection from water damage, stronger attacks, or HP restoration.

These are acquired by purchasing from the (vending machine), completing the game at a set difficulty level, or through other means, such as playing on the right date when a special event happens.

A girl named Parin goes to live with her grandfather in Tiese Town after her parents are called overseas on an excavation trip.

Parin, who unearths a legendary drill, decides to fight against the phantoms and restore Monster Village.