Kingdom Hearts Union χ
Kingdom Hearts Union χ[Cross] is the twelfth title in the Kingdom Hearts series, and the second part of Kingdom Hearts Unchained χ. It follows the story of a Keyblade wielder following the events of the Keyblade War.
Kingdom Hearts Union χ launched as an update and rebrand of Kingdom Hearts Unchained χ on March 23, 2017. The game concluded service in Japan on June 17, 2021, with the game's 4.4.0 update; the global version concluded on June 29, 2021.