Foldy is usually a kind and passive contestant, but she will hold grudges against anyone who wrongs her friends.
In "The Four is Lava", Foldy is knocked off of Puffball when Blocky lands unto her. Foldy manages to glide back and kicks Blocky off, only for him to rotate around Puffball and knock her off again.
In "Get to the Top in 500 Steps", Foldy blocks the top of the stairs from Flower. She confirms that she doesn't want iance winning, in order to avenge Stapy after Match caught them cheating in "Questions Answered". Foldy then proceeds to try and push Flower off the stairs, but is unable to succeed thanks to the non-slip shoes.
In "Four Goes Too Far", Foldy tells Four to stop screeching because it isn't funny anymore. Four mutilates her in return.
In "Don't Dig Straight Down", Foldy screams when Four accuses Free Food of committing forgery, but then becomes unamused when Four uses word play to change "forgery" to "for Dream Island".
In "Getting Teardrop to Talk", Fries told Foldy and Stapy to stop playing Rock, Paper, Scissors because they had a basket to save. Later, Fries tossed Foldy in the air to catch the basket because she's one of the lightest, but Foldy ended up torn to shreds by the basket, angering Stapy.
In "What Do You Think of Roleplay?", Foldy asks someone to fold her back up. Fries reluctantly decides to do so as Foldy talks him through it.
In "Fortunate Ben", when Liy was eliminated, instead of twitching her lip upwards (like what Firey did when Leafy was eliminated), Foldy and Stapy share a real big smile.
In "Enter the Exit", Foldy was wondering where Stapy was after he was eliminated. Eraser then showed her the footage of why Stapy is eliminated. It showed Match showing Donut that Stapy cheated. After seeing the footage, Foldy angrily glares at Match.
In "The Four is Lava", Foldy rides Puffball to Four. When Blocky flies onto Puffball, they work together to knock him off.
- Main article: Foldy and Stapy
Foldy and Stapy are very close friends with each other. Both of them seem to also seem to take a common disliking in Liy, possibly from "BFDI APPISIOTE 225555555!!!!!".
Status: Best friends
In "Don't Dig Straight Down", Foldy asks "Yellow Boy" if he advertises for a massive department store and if it sells emeralds. Yellow Face says no, but they do sell fake, plastic, green emeralds instead. Foldy decides to turn them in to Four.
In "The Escape from Four", Foldy helps with pulling the eliminated contestants out from Four. She stops however, after failing to save Stapy.