She was one of the two sack chums, Sackboy meets after being recruited to join the Alliance in their mission against the Negativitron. She eventually succeeded in their final battle.
Sofie alongside Sebastian and their new friend Chip joins Sackboy in his journey to stop the Hoard from stealing LittleBigPlanet's prized treasure.
Sofie's costume can be transferred to LittleBigPlanet 3 If your account has data from LittleBigPlanet 2.
Sofie and Sebastian are starter costumes again in LittleBigPlanet Party. She actually plays a role in the story.
She and Sebastian appear after winning in Sackbot Park. She and Sebastian enter the worldwide Board game competition hosted by Disk Jerk-y to find out more about his plans after the destruction of the festival. They both become Sackboy's traveling companions. During the course of the story; she competes in; Larry's Haunted Library, Newton's Stratosphere, The Emperor's New Groove, Odd Lands and Disk's Game Castle.
She alongside her friends finally saved the Party Planets and got back to celebrating the Planetary Festival alongside a reformed Disk Jerk-y. In the end, She and the other two sat on a Ferris Wheel, with hands on their backs.
Sofie wears a dress with a flowers pattern and a big belt.
- She has a French accent in the movie.