<P> The game opens with an introduction about a seaside town which was damaged by a cataclysm and consequently sunk into the depths of the earth . A town named Rogueport was later built at this site , with the fortunes of the lost kingdom fabled to exist behind the eponymous Thousand - Year Door , located in the ruins of the old town . Mario becomes involved when Princess Peach contacts him about a treasure map that she bought in Rogueport , but becomes part of a larger adventure after learning that Peach has gone missing . With the help of Goombella and Professor Frankly , Mario learns that the map can potentially reveal the location of the seven legendary Crystal Stars , which are required to unlock the Thousand - Year Door . Under the assumption that Peach herself is trying to find the Crystal Stars , he uses the map in an attempt to locate her . </P>
<P> The game opens with an introduction about a seaside town which was damaged by a cataclysm and consequently sunk into the depths of the earth . A town named Rogueport was later built at this site , with the fortunes of the lost kingdom fabled to exist behind the eponymous Thousand - Year Door , located in the ruins of the old town . Mario becomes involved when Princess Peach contacts him about a treasure map that she bought in Rogueport , but becomes part of a larger adventure after learning that Peach has gone missing . With the help of Goombella and Professor Frankly , Mario learns that the map can potentially reveal the location of the seven legendary Crystal Stars , which are required to unlock the Thousand - Year Door . Under the assumption that Peach herself is trying to find the Crystal Stars , he uses the map in an attempt to locate her . </P>
where is the thousand year door in paper mario
where is the thousand year door in paper mario
in the ruins of the old town
in the ruins of the old town