Kingdom Hearts Dream Drop Distance HD Kingdom Hearts: Dream Drop Distance takes place after the events of the game Kingdom Hearts Re:coded. Dream Drop Distance focuses on the protagonists' Sora and Rikus "Mark of Mastery" exam. In order to pass, the pair must free dream versions of worlds they have known and hone their powers in preparation for the return of the powerful and evil Master Xehanort.

Kingdom Hearts 0.2: Birth by Sleep – A Fragmentary Passage Aqua in the Hall of Magic Mirrors in Kingdom Hearts 0.2: Birth by Sleep – A Fragmentary Passage. The game made use of the Unreal Engine 4 game engine also used in Kingdom Hearts III. Kingdom Hearts 0.2: Birth by Sleep – A Fragmentary Passage is a new game told from the perspective of the protagonist Aqua. The story begins after Kingdom Hearts: Dream Drop Distance when King Mickey reveals that he has secrets to confess relating to Aqua and her time in the Realm of Darkness. The story then picks up right after the secret ending of Kingdom Hearts: Birth by Sleep Final Mix. Fragments of worlds previously found in Birth by Sleep make up the game's narrative.

Nomura felt he needed to create this story, but did not want to slow down Kingdom Hearts III with many backstories. Consequently, he separated it from that game and included it in this collection. Developers designed the game to take several hours to play, or approximately one game world in a regular Kingdom Hearts title. A Fragmentary Passage ties into the story of Kingdom Hearts III. In terms of gameplay, the “Doubleflight” ability returns, which allows Aqua to leap higher and do a mid-air double jump, while also gaining a burst of speed mid-jump.

Kingdom Hearts χ Back Cover Kingdom Hearts χ Back Cover is a one-hour long cinematic film set during the events of the video game Kingdom Hearts χ. The film tells the game’s story from the Foretellers’ perspectives, explaining their actions during the game’s events.