Editing Palace of Shadow Tower

[[File:Riddle Tower.png|thumb|The Riddle Tower as seen with a statue of the orrery obscuring the entrance]]

The '''Palace of Shadow Tower''', originally known as the '''Riddle Tower''',{{ref needed}} is a circular tower in the [[Palace of Shadow]] in ''[[Paper Mario: The Thousand-Year Door]]''. The tower is in the center of a large open plaza surrounded by streams. Inside is a spiral staircase with several doors on each floor. [[Mario]] had to solve the riddles in each room to earn a [[Palace Key (Paper Mario: The Thousand-Year Door)|Palace Key]]. The pedestals to the keys appear later after Mario obtains the [[Star Stone (Paper Mario: The Thousand-Year Door)|Star Stone]] from [[Gloomtail]]'s room.

In the remake, the riddle rooms are only unlocked after Gloomtail's Star Stone is used.

===North-west room, 1st floor===

There are four blocks here; two [[Stone Block]]s, and two unbreakable [[Metal Block]]s. The metal ones were broken by breaking the Stone Blocks in the room directly above this one.

===North-east room, 1st floor===

It is an empty room. Mario can pass through the wall, revealing a room with a switch. Hitting the [[! Block]] there makes a [[treasure chest|chest]] appear in the first room.

===South-west room, 1st floor===

This room has two ! Blocks. "Beyond/Onward" refers to the ! Block on the left side of the room, "before/retreat" refers to the right ! Block. The blocks have to be hit in this order: Left, left, left, right, right.

===South-east room, 1st floor===

There is an invisible object in the middle of the room, which Mario can't walk through. [[Flurrie]] can [[Gale Force|blow it away]] to reveal another chest.

===North-west room, 2nd floor===

There are four blocks here; two stone, two unbreakable metal. The metal ones can be broken by breaking the Stone Blocks in the room directly underneath this one.

===North-east room, 2nd floor===

Another empty room. The part of the wall directly opposite the door can be blown up using [[Admiral Bobbery]]'s [[Bomb (Paper Mario)|Bomb]] attack, revealing another room.

===South-west room, 2nd floor===

One of each member of the [[Dry Bones|Bones]] Family is in the room. The player must beat them in this order: [[Dull Bones]], [[Red Bones]], [[Dry Bones]], [[Dark Bones]].

===South-east room, 2nd floor===

Each room contains a plaque with a three-line riddle on it. The first and third lines in the GameCube version are the riddles themselves while the second line of each riddle is part of a hidden message. In the Nintendo Switch remake, the message is on the top line, while the riddles are on the middle and third lines. No one knows for certain the correct order of these lines from the GameCube version, but they seem to make the most sense in the following order. It is most likely that the "''stones with the power of stars''" are the [[Crystal Star]]s and that the "''we''" is the [[Shadow Queen]]'s race.

In the Nintendo Switch remake, the messages have been altered. Upon using Tower Keys on all eight of the pedestals, the hidden messages are displayed on the screen, arranged in the following order:

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