Barbie Merge Mystery invites players into a captivating puzzle-filled world where they join beloved characters like Malibu, Brooklyn, Teresa, and Renee. The game revolves around solving the mystery of a pink fog that disrupts their slumber party, leading to altered memories and environments. Players will merge iconic Barbie items such as hairbrushes and fashion accessories to complete orders and earn rewards. The gameplay focuses on combining items strategically to progress through levels while uncovering the storyline.

As players advance, they can explore various locations, restore and upgrade buildings, and meet classic Barbie characters, each with their own stories and clues to share. The game offers a free-to-download experience with optional in-game purchases, enhancing the gameplay without mandatory costs. With a requirement for an internet connection, Barbie Merge Mystery provides an exciting blend of nostalgia and modern puzzle-solving for fans aged 13 and older.