The fifteenth installment in the Kingdom Hearts series.
It was officially announced alongside Kingdom Hearts IV on April 10, 2022 during the franchise's 20th anniversary.
It is a mobile game originally scheduled to be released in 2024, but has been postponed indefinitely. On May 14, 2025, Square Enix announced that the game has officially cancelled development.
The story would have taken place in the time period between Kingdom Hearts X and Kingdom Hearts Dark Road.