Sonic Unleashed (Oct 14, 2008 prototype)

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Title Screen
Sonic Unleashed (Oct 14, 2008 prototype)
Build date Oct 14, 2008
Build name 10-16-08
Dump status Released, redump needed
Dumped by Anonymous
Released by Hidden Palace
File release date December 25, 2022
Origin DVD-R
Lot Project Deluge
Labels Sonic Unleashed 10-16-08
Dump method Memorex MRX-650LE v6 AM61 (PowerISO)
Game Sonic Unleashed
System Xbox 360
Genre Platform, Action
Final build JP Dec 2, 2008
EU Oct 30, 2008
US Oct 30, 2008
Release date JP Feb 19, 2009
EU 11/28/2008
US 11/18/2008
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A prototype of Sonic Unleashed for the Xbox 360.


  • Debugger enabled.
    • Distance meter is enabled.
    • Framerate counter is enabled.
    • Debug Operation Tool can be accessed by pressing RB 10 times in quick succession then Right Stick pressing opens debug menu.
  • Game runs at an uncapped framerate, while the final is hard locked to 30fps.
  • Hedgehog Engine FMV lacks sound.
  • Sound effects play at the same time as the title screen bgm in this build. In the final, the music always plays after the sound effects play.
  • The "Walk Run" on one of the how to play graphics while a level is loading was moved slightly.
  • Picture for Windmill Isle Act 2 is different.
  • XEX information:
    • Header Maker ID: SE
    • Header Product Code: 2066
    • Header Title: SONIC UNLEASHED
    • Header PE Name: SWA.exe
    • Header Executable Name: /default.xex
    • Header: Executable Checksum (MD5): 769d772c571d13af246930a4acba4aa1
  • Miscellaneous Notes:
    • Game is emulatable in either Xenia or Xenia-Canary: Yes (as of December 25, 2022).
      • Issues: No issues.




Archive Contents:

File Type Date Size SHA-1
X360 - Sonic Unleashed 10-16-08.bin File 2021-10-14 19:41:42 5.86 GB 6d994a1bbdb18f5c489d222950678568c8abcc47
X360 - Sonic Unleashed 10-16-08.cue File 2021-10-14 15:44:04 97 bytes e100786ef31f31e1fd41c1e5ab5f82e9e2012785
X360 - Sonic Unleashed 10-16-08.JPG File 2021-10-24 01:12:47 1.25 MB 8b2ad72d51c5a14e6478bd4ba8a0a1326e8178b9

Download File:

File Type Date Size Comment SHA-1
Sonic Unleashed (Oct 14, 2008 prototype).7z 7zip Archive 2021-10-27 04:35:17 5.52 GB Download file 70a373aa776effd540ead033d88e41a664947ec4


A huge thanks to ehw for researching this prototype! And a huge thanks to the anonymous donor that allowed for this release to happen!

See also