Video Games
Disney Infinity 3.0
- At the D23 Expo 2015, all attending fans were given a power disc which unlocked Mickey's Kingdom Hearts outfit in the game.
- Additionally, the Keyblade appears in the game as the Ultimate Unlock, requiring players to purchase and scan every figure available for that version of the game.
Final Fantasy Series
- In Dissidia 012 Final Fantasy, DLC costumes are available for Cloud Strife, Squall Leonheart, and Sephiroth based on their appearance in Kingdom Hearts.
- In Dissidia 012 Final Fantasy, when Tifa Lockhart is in EX Mode, she equips the Premium Heart gloves, which have the heart symbol from the Kingdom Hearts series on them.
- In Final Fantasy XIII-2, a scene appears, involving Lightning and Serah, emulating the iconic scene in Kingdom Hearts where Riku reaches for Sora to follow him into the darkness, later echoed by Vanitas and Young Xehanort.
- In the iOS port of Theatrhythm Final Fantasy and Theathrythm Final Fantasy Curtain Call, Auron is available as a DLC character in his Kingdom Hearts II appearance.
- In Final Fantasy XV, Prompto refers to the Keyblade by mentioning “a magical key that can unlock any door—like from the video games!”
Marvel Heroes
- In Marvel Heroes, Deadpool can wield a series of weapons named "Keyblades". However, they do not physically resemble the Keyblades from the Kingdom Hearts series. The in-game description of the Keyblades is a reference to William Shakespeare's Richard III, as well as a pun on the Kingdom Hearts series.
The Simpsons Game
- Comic Book Guy quotes Ansem's "Every light must fade, all hearts return to darkness" in the Big Super Happy Fun Fun level of the game.
Theme Parks
Tokyo Disneyland Resort
- A large Kingdom Hearts inspired statue is shown at Ikspiari of Tokyo Disneyland resort for the release of Kingdom Hearts Re:coded.
Miscellaneous
Arby's
- Fast-food restaurant chain Arby's posted a tweet with an image of a sandwich and a Keyblade, with the Arby's logo as Keychain, and the phrase "Thinking of you, wherever you are", originating from Kairi's Letter in Kingdom Hearts II.