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Kingdom Hearts: Birth by Sleep

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Title Screen

Kingdom Hearts: Birth by Sleep

Developer: Square Enix
Publisher: Square Enix
Platform: PlayStation Portable
Released in JP: January 9, 2010,
January 20, 2011 (Final Mix)
Released in US: September 7, 2010
Released in EU: September 10, 2010

AreasIcon.png This game has unused areas.
ModelsIcon.png This game has unused models.
ItemsIcon.png This game has unused items.
MusicIcon.png This game has unused music.
RegionIcon.png This game has regional differences.
Carts.png This game has revisional differences.

NotesIcon.png This game has a notes page

Kingdom Hearts: Birth by Sleep is another spin-off on the PSP, from the same team that remade Chain of Memories (Re:Chain of Memories) for the PlayStation 2. It was good enough to get a Final Mix version in Japan, which was later released internationally as part of 2.5 ReMIX.

To do:
  • Regional differences for the initial Japanese, US/PAL and Final Mix versions. Rip all the unused models from the 3D game from Final Mix, and the other unused models.
  • There are more cut Worlds referenced in one of the .dat archives for the game, with every cut map translated as well. Document these.

Unused Areas

Unused areas from a scrapped world for The Jungle Book are present, along with two scrapped rooms from The Sword in the Stone, and an area for a "Mysterious Wasteland".

While a number of areas can be accessed in the original Japanese version, the whole thing is in a very unfinished state: most textures are missing (excluding Louie's Throne Room, which is fairly finished, and the other non-Jungle Book related rooms), and entrances and pits are not properly programmed. The area is removed in the Final Mix version to make room for the Secret Episode, as both use the same room code (JB).

Unused Items

  • mLight Seeker (ライトシーカー): A equipable Keyblade for Ventus, exclusive to the Japanese version, which is another version of the Kingdom Key D. The Final Mix version still has the weapon in the code, but the model and the hitbox have been removed. Can be re-enabled with the following CWCheat code:
_C0 All Keyblades (Ven only)
_L 0x8172A7CE 0x000E0001
_L 0x10000001 0x00000001
  • XX: An unused Keyblade for Ventus, exclusive to both the original Japanese and Final Mix versions. It has its own unused icon depicting the Yarn item from Cinderella's world with Japanese text overlayed on top. In the original Japanese version it gives a -84 strength "bonus" and a 57 magic bonus. In the Final Mix version, it gives a 20 strength bonus, and an 80 magic bonus, but does nothing when equipped and doesn't change the equipped Keyblade. Can be added to the item list with the following CWCheat code:
_C0 All weapons (only Ventus)
_L 0x8172918E 0x000E0001
_L 0x10000001 0x00000001

Unused Models


PS2 Development Time


A high poly model of Aqua which is clearly more detailed than the PSP counterpart.

Other Unused


Pleakley from Lilo and Stitch has an unused model in the initial release, albeit lacking textures.

(Source: khwiki)

Kingdom Hearts 3DS: Dream Drop Distance Demo Leftovers

In the Japan-only Final Mix re-release, there are some unused 3D models, that came right from the 3DS game demo version. Interestingly enough, cutscenes can be hacked to include these models, and their animations, fully working. This is a not-so-subtle hint that Dream Drop Distance uses a modified Birth By Sleep graphical engine. The unused models include:

  • Sora
  • Riku
  • Kairi
  • Xemnas
  • Ansem, Seeker of Darkness
  • Twilight Thorn

There is also the logo of the demo version of the 3DS game, called simply Kingdom Hearts 3D Demo.

Regional/Revisional Differences

Differences between original Japanese and international release

  • Critical Mode has been added as a new difficulty.
  • A new D-Link was added for Pete, unlocked through the Command Board.
  • A new boss, Vanitas Remnant, can be fought at the Badlands after completing the Final Episode. He drops the new Keyblade, "Void Gear".
  • Another new boss, Mysterious Figure, can be fought at the Land of Departure after defeating Vanitas Remnant. He drops the new Keyblade, "No Name".
  • Crown Stickers were added as a new collectible, and their section in the Report was added.
  • A new Command Board, "Skull Board", was added and is unlocked after completing Neverland.
  • More Ice Cream Beat songs were added.

Differences between international release and Final Mix

  • Rewards for the Crown Sticker albums have been modified.
  • Mysterious Figure has been nerfed to be easier to fight. He now also drops the new Keyblade, "No Name".
  • All Unversed have been recolored, similarly to the Heartless in previous Final Mixes.
  • A new Command Style, Rhythm Mixer, has been added for all characters.
  • Some mission requirements in Mirage Arena have been made easier.
  • Three new commands (Unison Rush, Voltage Stack, and Aerial Recovery) have been added to the Mirage Arena Shop.
  • Illusion commands have been added, along with the Unversed Missions required to unlock them.
  • Three new bosses have been added to the Mirage Arena: Monstro, No Heart, and Armor of the Master. Defeating No Heart unlocks the new "Royal Radiance" Keyblade.
  • Castle Circuit has been added to Rumble Racing.
  • A new playable secret ending has been added, "A Fragmentary Passage". It features two new cutscenes, and an entirely new playable area (the Realm of Darkness), with three new enemies (Shadow, Neoshadow, and Darkball), as well as a new boss fight (the Dark Hide).
  • Six new songs were added, for all of the new boss fights and the exploration/battle themes of the Realm of Darkness in the Secret Episode.

Differences between Final Mix and HD Remix 2.5

  • Graphics have been improved.
  • Environments are now more detailed, and contain new sound effects.
  • The camera can now be controlled with the right analog stick.
  • The Mirage Arena has had all multiplayer functionality removed, including Mirage Arena D-Links. However, most of the multiplayer based commands still remain obtainable and usable.
  • The Lingering Will at the end of Terra's episode now sprouts a cape, to maintain continuity with its appearance Kingdom Hearts 2 Final Mix.
  • The Taunt command has been replaced with Victory Pose, and the Group Esuna command has been completely removed.
  • The Secret Episode cutscenes have now been dubbed in English.
  • Three songs have been re-orchestrated, "It's a Small World", "Dismiss", and "Keyblade Graveyard Horizon".

(Source: Kingdom Hearts Wiki, Gamefaqs)