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Sonic Unleashed (Xbox 360, PlayStation 3)

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Title Screen

Sonic Unleashed

Also known as: Sonic World Adventure (JP), Sonic Unleashed: La Malédiction du Hérisson (FR)
Developer: Sonic Team
Publisher: Sega
Platforms: PlayStation 3, Xbox 360
Released in JP: February 19, 2009 (PS3, 360)
Released in US: November 20, 2008 (360), December 12, 2008 (PS3)
Released in EU: November 28, 2008 (360), December 19, 2008 (PS3)
Released in AU: November 28, 2008 (360), December 16, 2008 (PS3)

AnimationsIcon.png This game has unused animations.
AreasIcon.png This game has unused areas.
DevTextIcon.png This game has hidden development-related text.
ObjectIcon.png This game has unused objects.
GraphicsIcon.png This game has unused graphics.
ItemsIcon.png This game has unused items.
RegionIcon.png This game has regional differences.

ProtoIcon.png This game has a prototype article
PrereleaseIcon.png This game has a prerelease article
NotesIcon.png This game has a notes page

To do:
  • This game's filesystem is compressed with XCompression (Xbox 360) or SEGS (PlayStation 3) - to anyone interested in digging further, use the Sonic Unleashed Mod Toolbox

Sonic Unleashed is the first 3D installment in the "boost" gameplay sub-series of Sonic titles. While it received mixed to negative reviews at the time of its release (to the point of being delisted from digital storefronts), it has since seen acclaim for being a return to form for the series after the infamous Sonic 2006, with many fans clamoring for a modern day rerelease.

In recent years, the game has become more accessible via backwards-compatibility on newer consoles.


Read about prototype versions of this game that have been released or dumped.
Prototype Info
Read about prerelease information and/or media for this game.
Prerelease Info
Miscellaneous tidbits that are interesting enough to point out here.
SU Unused Animations Icon.png
Unused Animations
Unused animations which still remains in the game files
SU BG Demo.png
Unused Assets
E3 Leftovers and completely unused assets
SU Unused Areas Icon.png
Unused Areas
Sections of the stages which were abandoned by changes in the level design
SU PlaceHolder Icon.png
Unused Objects
Info on unused objects
SU PlaceHolder Icon.png
Unused Missions
Info on unused missions
SU PlaceHolder Icon.png
Unused Audio
Leftovers, unused dialogs, etc.
SU PlaceHolder Icon.png
Unused Text
Change the language, turn off subtitles

Debugging Features

The debugging features in the game are not accessed by any normal means, to find them and have them function requires files in the game being unpacked and being edited. Most of these are accessed from some of the #XX.ar.xx files that correspond to a file that is a stage, preference or character.

To do:
There are a lot more of these features lying around the files of the game, they need to be found and documented. I will have a few up soon...

Collision Render

In any of the scenes in the game that also have a #XX.ar.xx file name structure, there may be a file found inside called Stage.stg.xml, this file has an option where you can have the collision rendered in the map. The option for this is the string: <IsCollisionRender>false</IsCollisionRender>. Changing it to true will enable the feature.

As an example the archive Town_Mykonos.ar.00 is the scene for the Town Apotos. This archive has a linked file called #Town_Mykonos which contains a Stage.stg.xml file.

As of enabling it, the game will use a texture and have it be shown on the collision in the map, this would have been used to check in-game for any problems with the collision.

If you have epilepsy, it is not recommended that you use this as the textures do flash when moving around or rotating the camera.


Region Names

The file names for many of the game's regions differ from the names used in the game itself - some of them are actually named after real-world locations;

In game Game's files
Adabat SouthEastAsia, Sea
Apotos Mykonos
Chun-nan China
Eggmanland EggManBase
Empire City NYCity
Holoska Snow
Mazuri Africa
Shamar Petra
Spagonia EuropeanCity, RedRoofs
(Source: Sonic Retro)

Early Boss Names

In game Game's files
Egg Devil Ray Egg Ray Fish, Egg Ray Bird
(Source: Original TCRF research)

Platform Differences

  • The frame rate is capped to 30 FPS on the Xbox 360, while the PlayStation 3 version runs uncapped, with certain instances of it hitting 60 FPS. Regardless, both versions struggle to maintain a consistent framerate, with the PS3 release in particular experiencing frequent frame rate drops.