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Proto:Sonic Unleashed (Xbox 360)

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This page details one or more prototype versions of Sonic Unleashed (Xbox 360).

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The Xbox 360 Preview build of Sonic Unleashed is a debug build from in between the E3 demo and final build, predating the latter by almost two months. Unfortunately, only the first disc of this build has been found and dumped, and the second is most likely lost, but even the disc that we have has a wealth of differences compared to the final. The build date is unknown, but three were found.

  • Disc Label: 1/09/2008 (September 1st, 2008)
  • XEX file: 31/08/2008 22:41:02 (10:41:02 PM, August 31st, 2008)
  • Developer Menu: Revision 6005 06:50:59 4/21/2008 (6:50:59 AM, April 21st, 2008)

All the build dates are different, but we can estimate it. The Dev Menu seems to be "subversion", explaining the odd build date. The disc was burned on September 1st while the XEX file is dated August 31st, suggesting the disc was burned the next day.

Sub-Pages

SoundIcon.png
Sound Differences
Lots of placeholders.
MovieIcon.png
Cutscene Differences
Somewhat unfinished at this point, with many visual changes and missing sounds.
SonicUnleashed360-PRE InstallMenuIcon.png
Install Debug Menu
A very extensive debug menu which has unfortunately been mostly dummied out.

Early Animations

Hubworld Transformation Scenes

Preview Build Final Game

The preview build videos are quite obviously placeholders, as the lighting on the characters is very basic. The particle effects and Werehog fur shader are also missing, as well as any audio that isn't the character's voice.

Aside from this, the scenes were re-animated as well. Sonic transforming into the Werehog is basically just a more detailed version of the preview video, but vice-versa omits Sonic's little hop at the end.

Menus

Preview Build Final Game
Preview Build TitleScreen SU.png Sonic Unleashed (Xbox 360)-title.png

The title screen was adjusted in the final to wait until the player presses Start before panning up to show the cracked planet.

Hmmm...
To do:
Document the in-progress final menu
Preview Build Final Game
SonicUnleashed360-PRE StageSel.png SonicUnleashed360-FIN StageSel.png

Though a work-in-progress version of the final menu is accessible from the title screen in this build, the old main menu from E3 still exists in the files and can be accessed with the "Install" debug menu.

General Differences

  • This build targets 60 frames per second, like the final PS3 release. Despite this, all versions (including Xbox 360 final) rarely manage to reach that cap.
  • All upgrades are unlocked from the start, and the player's stats are always maxed out, likely for testing purposes.
  • Early versions of the game's DLC is included in here, likely explaining why the build couldn't fit on one disc.

Graphical Differences

  • While the HUD in the Hedgehog levels is mostly finalized, the Werehog still uses the earlier HUD from the E3 build.
  • The homing reticle hasn't been changed from E3 yet.
  • Sonic's model has been updated since E3 and uses the final model, but still retains certain particle effects such as the jumpball effect.
  • This version contains the higher resolution global illumination maps that are normally bundled with the DLC.

Early Savannah Citadel

Hmmm...
To do:
Upload a screenshot of the collision in a level editor.

While the level model and textures are missing, the collision and object layout for a version of Savannah Citadel resembling an early trailer can be found.

Debug Commands

Sequence Check Menu

SonicUnleashed360-PRE SequenceChk.png

Can be accessed by pressing the Left Stick and X, pressing again closes it.

Developer Menu

SonicUnleashed360-PRE DevMenu.png

Press LB, RB and B to access the Developer Menu, pressing it again will exit it.