Challenge Room: Two's Company

 Two's Company is an Optional Quest in Manglewood that requires 2 players to complete. You must collect 5 Stickers (Newton, Nana Pud, and Captain Pud Face Icon: Pumpinator Sticker, and Popit Academy Icon Sticker) and place them down on the board at the end. Completing the quest and the level with all 5 stickers will unlock the Felica Outfit.