A well-known gaming industry insider has claimed that Kingdom Hearts 4 will be released sometime next year. Kingdom Hearts 4 fans have been incredibly eager for more updates about the upcoming fourth mainline entry in Square Enix's long-running series. The game was first revealed during the franchise's 20th anniversary event, where a trailer showed Sora's situation after the events of Kingdom Hearts 3. This included a brand-new look for Sora, an apartment and city that resembled modern day Tokyo, and even some gameplay footage where Sora battled a giant Heartless.