Sonic Month 2019

Sonic the Hedgehog CD (May 10, 1993 prototype)

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Title Screen
Sonic the Hedgehog CD (May 10, 1993 prototype)
Build date May 10, 1993 13:19:12
Build name CD Sonic the Hedgehog
Dump status Released
Dumped by Brazil (eBay)
Released by profund darkness
File release date 2000
Origin CD-R
Ownership Brazilian eBay seller (2000) Unknown (2000-present)
Game Sonic the Hedgehog CD
System Sega CD
Genre Platform
Final build JP Aug 6, 1993
EU Aug 27, 1993
US Oct 12, 1993
Release date JP Sep 23, 1993
EU Oct 1, 1993
US Nov 19, 1993
Download Sonic the Hedgehog CD (May 10, 1993 prototype) (info)

A prototype of Sonic the Hedgehog CD for the Sega CD.

Notes

The Cutting Room Floor research
  • This is the only existing dump of this build of Sonic the Hedgehog CD.
  • The original disc was sold on eBay by someone in Brazil in early 2000. The owner of the disc gave user profund darkness a iso/mp3 dump of the disc, who then released the dump onto the internet along with dumps of other Sonic CD prototypes. The original disc has since been sold and is now lost.
  • The title screen is completely different from the final version, and uses 320×224 resolution rather than the final's 256×224. It also credits Keiko Utoku, the singer of "Sonic - You Can Do Anything":
CDSonic510SpecialStage.png
  • The Special Stage is not yet playable, but a demo can be seen on the title screen. The text "The programmer has a nap. Hold out! Programmer!" flashes repeatedly, which indicates the programmer's laziness.
  • The Special Stage music is extended, lasting four-and-a-half minutes:

Click to listen

  • The jump sound is more low-pitched than the final version.
  • Most of the music is the same as the Japanese/European soundtrack, but without fade-outs.
CDSonic510SEGA.png
  • The game has a SEGA logo with the classic "SEEEGAAA!" sound. It was removed from the 712 prototype and up due to the BIOS including it.

Screenshots

To do
This article is missing gameplay screenshots. You can help by editing the article and adding them.

Files

File Type Size SHA-1
Sonic CD (Beta).iso Track 01 31.82 MB 5e6870ca1347d82dbe2e6584557658be1a674447
Sonic CD (Beta) 02.mp3 Track 02 1.65 MB b52044fd2335fafd69801de64fe388196acf84c9
Sonic CD (Beta) 03.mp3 Track 03 1.23 MB aeb806d4ac48f2487a579921e19eb38239161fc1
Sonic CD (Beta).cue Cue sheet 2.4 KB 1a27c207833f687d73e6eac3de523d6d32090759
Work in progress!