The Ultibed is mainly used to help access the dream world where the anicent Zeekeeper rests as Mario and the rest need help destroying the barrier of Neo Bowser Castle. The Ultibed must be slept on a place within the woods where the dream power swells and Prince Dreambert quickly states the Pi'illo Temple.
- The Ultibed serves as the important focus item in the game which is common in the RPGs. Others include:
- The Star Pieces from Super Mario RPG: Legend of the Seven Stars.
- The Star Spirits from Paper Mario.
- The Crystal Stars from Paper Mario: The Thousand-Year Door.
- The Pure Hearts from Super Paper Mario.
- The Royal Stickers from Paper Mario: Sticker Star.
- The Beanstar pieces from Mario & Luigi: Superstar Saga.
- The Cobalt Star pieces from Mario & Luigi: Partners in Time.
- The Miracle Cure from Mario & Luigi: Bowser's Inside Story.