Kingdom Hearts X[chi], a browser game where players can create a keyblade wielder, has been updated with new stories. Agrabah, Wonderland, and the Dwarf Woodland has new missions and events. The PC game has new Heartless to fight in these areas too.
Players can also get a Stitch card by completing a summer mission between now and August 29. As of now, Kingdom Hearts X[chi] has only been released in Japan.