Kingdom Hearts is developed by a Japanese company.
is a series of crossover action role-playing games owned by Disney Interactive Studios and developed and published by Square Enix ( originally by Square ) . Kingdom Hearts III . Concepts for the game began as early as 2006 , after the release of Kingdom Hearts II : Final Mix in Japan , with the game not officially confirmed to be in development until E3 2013 , after years of rumors and speculation . is a Japanese video game developer , publisher , and distribution company that is best known for its role-playing video game franchises , which include Final Fantasy , Dragon Quest , and Kingdom Hearts .