Kingdom Hearts χ

Kingdom Hearts χ, stylized as Kingdom Hearts χ[chi], was a Japanese role-playing browser game developed by Square Enix (in collaboration with Disney Interactive Studios), BitGroove and Success, and published by Square Enix for web browsers as the eighth installment in the Kingdom Hearts series. Gameplay involved players navigating a customized avatar through Disney-inspired worlds fighting enemies, along with taking down bosses in multiplayer matches in competition with other teams. The browser game was launched in July 2013 and shut down in September 2016.