Dimensional door

The Pure Heart Doorways are eight doors that appear on the Flipside and Flopside Towers in Super Paper Mario. The Doorways appear when the according Pure Heart is placed into its Heart Pillar.

Though not important, the colors of the doors are listed below.

• Lineland (Chapter 1): Red
• Gloam Valley (Chapter 2): Orange
• The Bitlands (Chapter 3): Yellow
• Outer Space (Chapter 4): Green
• Land of the Cragnons (Chapter 5): Cyan
• Sammer's Kingdom (Chapter 6): Blue
• The Underwhere/The Overthere (Chapter 7): Purple
• Castle Bleck (Chapter 8): Black

Lineland to the Underwhere/Overthere are found on the Flipside Tower. Castle Bleck, which is bigger than the other doors because it is the final chapter, is on the Flopside Tower.