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Sonic the Hedgehog CD (Windows 1996)/Hidden content

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Stage select

StageSelectSonicCDFinal.png

On the title screen, press Up Down Down Left Right Space.

When a level is accessed this way, clearing the level or attempting time travel will take the player back to the title screen. If the level was ended by attempted time travel, entering the stage select again and choosing another level will start the level as if the player had traveled through time, keeping any Rings and accumulated time from the last level.

View developer time attack times

SonicCD MCD Times.png

On the title screen, press Right Right Up Up Down Space.

Sound test

SonicCD MCD SoundTest.png

On the title screen, press Down Down Down Left Right Space.

Secret menu

SonicCD PC Debug Menu.png

Locate the SONIC.INI file, and add the following lines to it:

[Secret]
User=Debugger

This will add two additional menus, Stage and FUNC, to the menu bar.

Stage

A stage select. All Rounds are listed as R1-8, with R2 skipped. Selecting a Round displays a sub-menu for choosing the time zone to go to. Special displays a sub-menu listing all eight Special Stages.

FUNC

Several menu options are listed here:

  • SpriteCmp: Prevents new sprites from loading (which can lead to fatal errors).
  • mapinit(): Places the player at the beginning of the current stage.
  • DEBUGFLAG: Enables edit mode.
  • SPECIALDEBUG: Stops the Special Stage timer.
  • TIMEWARP: Disables time travel.
  • GO_SPECIAL: Warps the player to the next Special Stage.
  • GOODEND: Displays a dialog listing the Time Stones the player has obtained, the Zones where the player has made a Good Future in, and what the next Special Stage is.
  • Flags: Displays the following dialog. X will differ depending on the time zone the player is in:
generate_flag=00
time_flag==X
  • FRAME: Lists two options, 60 and 30. They don't appear to do anything.
  • TIMER (STAT): Appears to do nothing.
  • TimerInit (STAT): Appears to do nothing.
  • AVE_300Frame (STAT): Appears to do nothing.
  • MMTimer: Appears to do nothing.
  • SndMemFree: Appears to do nothing.
  • RecStart (Demo): Untested.
  • RecEnd: Untested.
  • RecPlay: Appears to do nothing.
  • RecRead: Untested.
  • RecWrite: Untested.
  • Demo: Displays a sub-menu whose options all correspond to the rolling demos played at the title screen. None of them appear to do anything when clicked on.
  • WAVEOPEN: Appears to briefly pause the game before resuming and disables all sound effects.
  • WAVECLOSE: Disables all sound effects.
  • CDReset: Mutes all music until the game is restarted.

OMAKE folder

In the OMAKE folder in the disc of the Windows version of Sonic the Hedgehog CD are many BMP files. Most of these are high-quality sprites from the original game and some icons. Below is a collection of them.[1]

Artwork Omake folder & file name Description
SonicCDPC-TITLE256.png
TITLE256.BMP This is simply a snapshot of the title screen.
SonicCDPC-EGGEGESCAPE.png
EGG/EGESCAPE.BMP A sprite of a mechless Eggman running.
SonicCDPC-EGSTAND.png
EGG/EGSTAND.BMP Eggman making a "Why me" gesture.
SonicCDPC-BATT.png
ENEMY/BATT.BMP Bata-pyon.
SonicCDPC-CHO.png
ENEMY/CHO.BMP Pata-Bata.
SonicCDPC-HACHI.png
ENEMY/HACHI.BMP Poh-Bee with its mace attachment.
SonicCDPC-KAMA.png
ENEMY/KAMA.BMP Kama-Kama.
SonicCDPC-KUMO.png
ENEMY/KUMO.BMP Kumo-Kumo.
SonicCDPC-SNC ICO1.png
ICON/SNC_ICO1.BMP Sonic peering out of a CD.
SonicCDPC-SNC ICO2.png
ICON/SNC_ICO2.BMP Sonic & Metal Sonic.
SonicCDPC-SNC ICO3.png
ICON/SNC_ICO3.BMP Sonic standing.
SonicCDPC-SNC ICO4.png
ICON/SNC_ICO4.BMP Sonic running.
SonicCDPC-SNC ICO5.png
ICON/SNC_ICO5.BMP Once again, Sonic peering out of a CD.
SonicCDPC-SNC ICO6.png
ICON/SNC_ICO6.BMP Sonic above his name.
SonicCDPC-SNC ICO7.png
ICON/SNC_ICO7.BMP Sonic standing.
SonicCDPC-EMY1.png
MTL&EMY/EMY1.BMP Amy running.
SonicCDPC-EMY2.png
MTL&EMY/EMY2.BMP Amy wanting to give Sonic affection.
SonicCDPC-METAL1.png
MTL&EMY/METAL1.BMP Metal Sonic waving his finger
SonicCDPC-METAL2.png
MTL&EMY/METAL2.BMP Metal Sonic flying.
SonicCDPC-SONICDIE.png
SONIC/SONICDIE.BMP Sonic dying.
SonicCDPC-SONICPOS.png
SONIC/SONICPOS.BMP Sonic standing.
SonicCDPC-SONICRUN.png
SONIC/SONICRUN.BMP Sonic running.
SonicCDPC-SONICSTA.png
SONIC/SONICSTA.BMP Sonic about to stamp his feet rhythmically.

R2

This game contains the most notorious reference to R2, a scrapped level. The level files on the disc skip from R1 to R3 leaving people wondering what R2 was. Eventually, concept art for the scrapped level was released in the Sonic CD developer diary[2]. The extended ending video from Sonic Gems Collection was confirmed to show a brief glimpse of it.[3]

References


Sonic the Hedgehog CD
Scd titlescreen.png

Main page (2011)
Maps
Achievements
Comparisons


Manuals
Promotional material
Magazine articles
Reception


Development
Hidden content (2011)
Bugs
Hacking guide

  • Levels
  • Enemies
  • Bosses
  • Prereleases
  • Media
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Original Soundtrack 20th Anniversary Edition
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