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Difference between revisions of "Sonic the Hedgehog 3 & Knuckles/Hidden content"

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==Lost Sprites==
+
{{back}}
−
{|class="prettytable"
 
−
!Artwork||Name||Description
 
−
|-
 
−
|[[Image:S3ArrowLift.png|center]]||Arrow Lift||Some strange platform. It's not placed in any level, but the graphics fit perfectly in both acts of [[Launch Base Zone]]. It has no movement on its own when placed and needs specific PAR codes to be entered to do so. To enable it use the PAR code 1EFC52:1200 and it will replace the first ring monitor. From there enter FFF7E0:00FF to make it move down and FFF7E0:0000 to make it return to its original position. The object was found by [[shobiz]], and posted about in {{LinkRetro|topic=10773|title=this thread}}
 
−
|}
 
  
−
==Hidden Area in Hidden Palace Zone==
+
==Level select==
−
It is possible to get to a hidden area in Hidden Palace Zone. It is only accessible by using Tails or debug mode. Just before entering the inside of Hidden Palace Zone fly from the two steps left until a ledge is reached. Walk left until six power-up monitors will appear. They will be mostly shield monitors (ring, bubble, fire, lighting). If you run right and jump off at the ledge and keep running right you will find two ring monitors and a 1-up monitor. (In some of the [[:Category:Sonic & Knuckles prereleases|Sonic & Knuckles prototypes]], an "S" monitor is present instead of a speed shoes monitor.)
+
{{HiddenContent
 +
| image1=SK level select.png
 +
| desc=While in [[Angel Island Zone]], jump on to one of the swinging vines, then press {{left}} {{left}} {{left}} {{right}} {{right}} {{right}} {{up}} {{up}} {{up}}. A [[Ring]] sound will confirm correct entry. Press {{start}}, then {{A}} to return to the title screen. A new option, "Sound Test", will appear below "Competition". Select that option to go to the Level Select screen.
  
−
==Eighth Special Stage==
+
On the level select screen, pressing {{C}} will change a value displayed beneath Angel Island Zone's entry, determining the player's character. The values are:
−
[[File:sonic3-yellowem.png|thumb|320px|Map of the eighth special stage]]
+
*'''00''' - [[Sonic the Hedgehog|Sonic]] & [[Miles "Tails" Prower|Tails]]
−
An eighth [[Chaos Emerald]] is accessible via a hidden cheat code. First enter the level select code and then set the sound test selection to '''07''', and press {{A}} + {{Start}} on the "Special Stage 1" selection to get the 8th special stage from ''Sonic 3''. The Chaos Emerald in this level is golden, whereas the 8th Chaos emerald was gray in ''[[Sonic 3]]''.
+
*'''01''' - Sonic
 +
*'''02''' - Tails
 +
*'''03''' - [[Knuckles the Echidna|Knuckles]]
 +
}}
  
−
This emerald has no special effect in-game, however, and does not appear on the end of special stage tally in any form other than a score increase.
+
==[[Edit mode]]==
−
<div class="visualClear"></div>
+
{{HiddenContent
 +
| image1=Sonic3&K MD DebugMode.png
 +
| desc=Enter the Level Select screen, then enter [[Mushroom Hill Zone]]. Grab onto a pulley system and press {{left}} {{left}} {{left}} {{right}} {{right}} {{right}} {{up}} {{up}} {{up}}. A Ring sound will confirm correct entry. Press {{start}} then {{A}} to return to the title screen. Enter the Level Select, then select a level and press {{A}}+{{Start}} to start the level with edit mode. During gameplay:
 +
*Press {{A}} to reverse gravity when in normal mode.
 +
*Press {{C}}+{{B}} to cycle through all mapping frames of the character when in normal mode.
 +
*Press {{B}} to toggle normal and debug mode.
 +
**Press {{A}} to advance forward through the debug object list.
 +
**Press {{A}}+{{C}} to advance backwards through the debug object list.
 +
**Press {{C}} to place the selected object at the current coordinates.
 +
*During pause press {{A}} to fade to black and restart from the SEGA screen.
 +
*During pause press and hold {{B}} to enable slow-motion (this proceeds at half-speed for as long as the {{B}} button is held down).
 +
*During pause press {{C}} to advance one frame.
 +
*Current coordinates are designated by the top line of hex digits in the HUD.
 +
*Viewport coordinates are designated by the bottom line of hex digits in the HUD.
  
−
==Ninth Special Stage==
+
Enabling edit mode will disable all restrictions on the level select, allowing the player to use characters normally forbidden from accessing certain levels.
−
[[File:SnKBonus.png|thumb|320px|Map of the ninth special stage]]
+
}}
−
A ninth [[Super Emerald]] is accessible via a hidden cheat code. First enter the level select code and then set the sound test selection to '''07''', and press {{A}}+{{Start}} on the "Special Stage 2" selection. A large golden Super Emerald is located at the end of the level.
 
  
−
This emerald has no special effect in-game, however, and does not appear on the end of special stage tally in any form other than a score increase.
+
==Eighth Special Stages==
 +
:''See also: {{LinkYoutube|video=0tq_zJendaQ|title=Step-by-step tutorial on YouTube}}.''
 +
{{HiddenContent
 +
| image1=Sonic3 MD SpecialStage 8 Start.png
 +
| image2=SonicandKnuckles MD SpecialStage 8 Start.png
 +
| desc=The eighth [[Special Stage (Sonic the Hedgehog 3 & Knuckles)|Special Stages]] from both ''[[Sonic the Hedgehog 3]]'' and ''[[Sonic & Knuckles]]'' can be accessed in this game. First, enable edit mode (see above), then set the sound test to {{hex|07}}, and press {{A}}+{{Start}} on the "Special Stage 1" selection to get the eighth Special Stage from ''Sonic 3'', or on the "Special Stage 2" selection to get the eighth Special Stage from ''Sonic & Knuckles''.
  
−
==Extra Data Select Music==
+
Both Special Stages will award a yellow [[Chaos Emerald]] and [[Super Emerald]] respectively when cleared (whereas the eighth Chaos Emerald was gray in ''Sonic 3''). These Emeralds have no special effect in-game, however, and do not appear on the Special Stage results tally in any form other than a score increase.
−
If one leaves the game running on the data select screen for about 47 minutes a piece of percussion will be added to the track.
 
−
A high quality recording can be found [http://www.youtube.com/watch?v=JmWgcM0CkKw here]
 
  
−
==Extra Knuckles pose==
+
Note that setting the sound test to any other value between {{hex|00-06}} will load their respective Special Stages.
−
If one goes to the Sky Sanctuary stage as Sonic or Tails and crouches in exactly the right place after crossing the bridge Knuckles activates, the echidna will turn around and make a "shooing" gesture to the right of the screen.
+
}}
−
A high quality video can be found [http://www.youtube.com/watch?v=q8Kzq70hXE8 here]
 
  
−
<div class="visualClear"></div>
+
==Unused content==
 +
===Objects===
 +
====Placeable in [[edit mode]]====
 +
{{UnusedTable|type=Art|
 +
{{UnusedRow
 +
| content={{SpriteImage|Sonic3K MD Sprite Monitors.png|crop_width=28|crop_x=140}}
 +
| desc=An "S" [[monitor]]. This transforms Sonic, Tails and Knuckles into [[Hyper Sonic]], [[Super Tails]] and [[Hyper Knuckles]] respectively.
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|Sonic3 MD Sprite AIZ2BreakableWall.png}}
 +
| desc=A breakable wall in [[Angel Island Zone]] Act 2, which can only be placed with debug mode and is destroyed with a [[Spin Dash]] on the ground. A similar object is used as a wall that is opened with a switch. Remains unused from ''Sonic 3'' alone.
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|Sonic3 MD Sprite CNZButton.png}}
 +
| desc=A button of unknown purpose. It can be placed in either Act of [[Carnival Night Zone]] via debug mode, but it doesn't appear to do anything. Remains unused from ''Sonic 3'' alone.
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|Sonic3 MD Sprite CNZDebugRing.png|2}}
 +
| desc=An unknown [[Ring]]-like object that appears to spawn slope collision when placed. It is placeable in Carnival Night Zone. Remains unused from ''Sonic 3'' alone.
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|Sonic3 MD Sprite ICZBreakableBlock.png}}
 +
| desc=A glowing block that can be placed in either Act of [[IceCap Zone]] via debug mode. Jumping on it destroys it like the ice blocks. Remains unused from ''Sonic 3'' alone.
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|S&K MD Sprite LRZ2SteppingStone.png}}
 +
| desc=A lava stepping stone for the second Act of [[Lava Reef Zone]]. Similar objects exist in Act 1, but this unique art for Act 2 is never seen.
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|SnKplatform.png}}
 +
| desc=A platform for the Glowing Spheres [[Bonus Stage (Sonic the Hedgehog 3 & Knuckles)|Bonus Stage]].
 +
}}
 +
{{UnusedRow
 +
| content={{SpriteImage|SnKFball.png}}
 +
| desc="F" gumball, placeable in Glowing Spheres [[Bonus Stage (Sonic the Hedgehog 3 & Knuckles)|Bonus Stage]]. When collected it makes the same noise as a Bumper Ball, but it doesn't do anything.
 +
}}
 +
}}
 +
====Others====
 +
{{UnusedTable|type=Art|
 +
{{UnusedRow
 +
| content={{SpriteImage|S3ArrowLift.png}}
 +
| desc=Some strange platform. It's not placed in any level, but the graphics fit perfectly in both acts of [[Launch Base Zone]]. It has no movement on its own when placed and needs specific PAR codes to be entered to do so. To enable it use the PAR code 1EFC52:1200 and it will replace the first ring monitor. From there enter FFF7E0:00FF to make it move down and FFF7E0:0000 to make it return to its original position. The object was found by [[User:Shobiz|shobiz]], and posted about in {{LinkRetro|topic=10773|title=this thread}}.
 +
}}
 +
}}
  
−
{{Sonic3&KOmni}}
+
===Audio===
−
[[Category:Game secrets|Sonic 3 & Knuckles]]
+
====Music====
 +
{{UnusedTable|type=Audio|ids=yes|
 +
{{UnusedRow
 +
| content=
 +
| id=26
 +
| desc=The ''Sonic 3'' staff roll music still exists within the game and can be played in the Stage select/Sound test. Of all the ''Sonic 3'' tracks that were replaced by their ''Sonic & Knuckles'' counterparts, only this song wasn't replaced.
 +
}}
 +
{{UnusedRow
 +
| content=
 +
| id=32
 +
| desc=A "game clear" jingle for ''Sonic & Knuckles''. Though ''Sonic 3'' used this ID for its own jingle played during the ending, it isn't used in ''Sonic 3 & Knuckles'' at all. A longer version of this jingle can be heard at the end of the credits medley. ''[[Sonic Origins]]'' would later use the jingle for the results tally after Sonic and/or Tails defeat [[Launch Base Zone bosses|Big Arms]].
 +
}}
 +
}}
 +
 
 +
====Sound effects====
 +
Even when locked-on with ''Sonic 3'', some sounds still go unused.
 +
{{UnusedTable|type=Audio|ids=yes|
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound3Aand71.ogg]]
 +
| id=3A,71
 +
| desc=[[Shield]] sound leftover from ''[[Sonic the Hedgehog 2 (16-bit)|Sonic the Hedgehog 2]]''
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound40.ogg]]
 +
| id=40
 +
| desc=An electric zap heard among the Shield sound effects. This sound would later be used for the [[Thunder Shield]] in ''[[Sonic Generations]]'' and ''[[Sonic Lost World]]'', and for the [[Phantom Egg]]'s barrier in ''[[Sonic Mania]]''.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound5A.ogg]]
 +
| id=5A
 +
| desc=Sounds like something revving up. This would later be used in ''[[Sonic 3D: Flickies' Island]]''.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound6B.ogg]]
 +
| id=6B
 +
| desc=Unknown, possibly unused; sounds like a higher-pitched version of the sound heard when hitting an R, Up or Down block in the ''[[Sonic the Hedgehog (16-bit)|Sonic 1]]'' [[Special Stage (Sonic the Hedgehog 16-bit)|Special Stage]].
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound6D.ogg]]
 +
| id=6D
 +
| desc=Sounds like a door closing.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound7D.ogg]]
 +
| id=7D
 +
| desc=Sounds like mild rattling.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound84.ogg]]
 +
| id=84
 +
| desc=Sounds like something charging up. Only seems to be referenced in some Zone with a high level ID which is composed of garbage data.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound85.ogg]]
 +
| id=85
 +
| desc=Sounds like it would have been used in cooperation with sound {{hex|84}}.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound8D.ogg]]
 +
| id=8D
 +
| desc=Unknown, possibly unused; a very quiet sound.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound8E.ogg]]
 +
| id=8E
 +
| desc=Another rev-up sound. ''[[Sonic Origins]]'' uses this sound for the wheel switches in [[Marble Garden Zone]].
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD Sound99.ogg]]
 +
| id=99
 +
| desc=A small "tick" sound.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundA1.ogg]]
 +
| id=A1
 +
| desc=A low-humming, unsettling sound. This sound effect is later used by the [[Hotaru Hi-Watt]] mini-boss in ''Sonic Mania''.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundA5.ogg]]
 +
| id=A5
 +
| desc=Sounds like something rising or powering up?
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundA6.ogg]]
 +
| id=A6
 +
| desc=Another dashing noise.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundB5.ogg]]
 +
| id=B5
 +
| desc=A leftover from ''Sonic 1'' that was used for the breakable diamonds in the Special Stage.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundBC.ogg]]
 +
| id=BC
 +
| desc=Unused? Possible waterfall sound effect.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundC5.ogg]]
 +
| id=C5
 +
| desc=Sounds like it would be used in coordination with sound {{hex|C4}}, the sound for [[Red Eye]]'s laser. ''Sonic Origins'' uses this sound when Red Eye stops firing its laser.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundD1.ogg]]
 +
| id=D1
 +
| desc=Possibly unused; another very faint sound that may sound like static.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundD6.ogg]]
 +
| id=D6
 +
| desc=Rumbling/electric sound?
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundD8.ogg]]
 +
| id=D8
 +
| desc=Sounds like a screeching warning siren. Repeatedly pressing the {{C}} button when playing this sound in the Sound Test makes it play longer.
 +
}}
 +
{{UnusedRow
 +
| content=[[File:Sonic3 MD SoundDC-DF.ogg]]
 +
| id=DD-DF
 +
| desc=All of these sounds are duplicates of {{hex|DB}} (heard when running across water in [[Hydrocity Zone]]) and are likely placeholders.
 +
}}
 +
}}
 +
 
 +
==References==
 +
<references/>
 +
 
 +
{{S3Omni}}
 +
{{S&KOmni}}
 +
[[Category:Hidden content]]

Latest revision as of 15:00, 4 December 2022

Back to: Sonic the Hedgehog 3 & Knuckles.

Level select

SK level select.png

While in Angel Island Zone, jump on to one of the swinging vines, then press Left Left Left Right Right Right Up Up Up. A Ring sound will confirm correct entry. Press Start, then A to return to the title screen. A new option, "Sound Test", will appear below "Competition". Select that option to go to the Level Select screen.

On the level select screen, pressing C will change a value displayed beneath Angel Island Zone's entry, determining the player's character. The values are:

Edit mode

Sonic3&K MD DebugMode.png

Enter the Level Select screen, then enter Mushroom Hill Zone. Grab onto a pulley system and press Left Left Left Right Right Right Up Up Up. A Ring sound will confirm correct entry. Press Start then A to return to the title screen. Enter the Level Select, then select a level and press A+Start to start the level with edit mode. During gameplay:

  • Press A to reverse gravity when in normal mode.
  • Press C+B to cycle through all mapping frames of the character when in normal mode.
  • Press B to toggle normal and debug mode.
    • Press A to advance forward through the debug object list.
    • Press A+C to advance backwards through the debug object list.
    • Press C to place the selected object at the current coordinates.
  • During pause press A to fade to black and restart from the SEGA screen.
  • During pause press and hold B to enable slow-motion (this proceeds at half-speed for as long as the B button is held down).
  • During pause press C to advance one frame.
  • Current coordinates are designated by the top line of hex digits in the HUD.
  • Viewport coordinates are designated by the bottom line of hex digits in the HUD.

Enabling edit mode will disable all restrictions on the level select, allowing the player to use characters normally forbidden from accessing certain levels.

Eighth Special Stages

See also:
YouTube
Step-by-step tutorial on YouTube.
Sonic3 MD SpecialStage 8 Start.png
SonicandKnuckles MD SpecialStage 8 Start.png

The eighth Special Stages from both Sonic the Hedgehog 3 and Sonic & Knuckles can be accessed in this game. First, enable edit mode (see above), then set the sound test to 07, and press A+Start on the "Special Stage 1" selection to get the eighth Special Stage from Sonic 3, or on the "Special Stage 2" selection to get the eighth Special Stage from Sonic & Knuckles.

Both Special Stages will award a yellow Chaos Emerald and Super Emerald respectively when cleared (whereas the eighth Chaos Emerald was gray in Sonic 3). These Emeralds have no special effect in-game, however, and do not appear on the Special Stage results tally in any form other than a score increase.

Note that setting the sound test to any other value between 00-06 will load their respective Special Stages.

Unused content

Objects

Placeable in edit mode

Art Description
Sonic3K MD Sprite Monitors.png
 An "S" monitor. This transforms Sonic, Tails and Knuckles into Hyper Sonic, Super Tails and Hyper Knuckles respectively.
Sonic3 MD Sprite AIZ2BreakableWall.png
 A breakable wall in Angel Island Zone Act 2, which can only be placed with debug mode and is destroyed with a Spin Dash on the ground. A similar object is used as a wall that is opened with a switch. Remains unused from Sonic 3 alone.
Sonic3 MD Sprite CNZButton.png
 A button of unknown purpose. It can be placed in either Act of Carnival Night Zone via debug mode, but it doesn't appear to do anything. Remains unused from Sonic 3 alone.
Sonic3 MD Sprite CNZDebugRing.png
 An unknown Ring-like object that appears to spawn slope collision when placed. It is placeable in Carnival Night Zone. Remains unused from Sonic 3 alone.
Sonic3 MD Sprite ICZBreakableBlock.png
 A glowing block that can be placed in either Act of IceCap Zone via debug mode. Jumping on it destroys it like the ice blocks. Remains unused from Sonic 3 alone.
S&K MD Sprite LRZ2SteppingStone.png
 A lava stepping stone for the second Act of Lava Reef Zone. Similar objects exist in Act 1, but this unique art for Act 2 is never seen.
SnKplatform.png
 A platform for the Glowing Spheres Bonus Stage.
SnKFball.png
 "F" gumball, placeable in Glowing Spheres Bonus Stage. When collected it makes the same noise as a Bumper Ball, but it doesn't do anything.

Others

Art Description
S3ArrowLift.png
 Some strange platform. It's not placed in any level, but the graphics fit perfectly in both acts of Launch Base Zone. It has no movement on its own when placed and needs specific PAR codes to be entered to do so. To enable it use the PAR code 1EFC52:1200 and it will replace the first ring monitor. From there enter FFF7E0:00FF to make it move down and FFF7E0:0000 to make it return to its original position. The object was found by shobiz, and posted about in
Sonic Retro
this thread.

Audio

Music

Audio ID Description
26 The Sonic 3 staff roll music still exists within the game and can be played in the Stage select/Sound test. Of all the Sonic 3 tracks that were replaced by their Sonic & Knuckles counterparts, only this song wasn't replaced.
32 A "game clear" jingle for Sonic & Knuckles. Though Sonic 3 used this ID for its own jingle played during the ending, it isn't used in Sonic 3 & Knuckles at all. A longer version of this jingle can be heard at the end of the credits medley. Sonic Origins would later use the jingle for the results tally after Sonic and/or Tails defeat Big Arms.

Sound effects

Even when locked-on with Sonic 3, some sounds still go unused.

Audio ID Description
3A,71 Shield sound leftover from Sonic the Hedgehog 2
40 An electric zap heard among the Shield sound effects. This sound would later be used for the Thunder Shield in Sonic Generations and Sonic Lost World, and for the Phantom Egg's barrier in Sonic Mania.
5A Sounds like something revving up. This would later be used in Sonic 3D: Flickies' Island.
6B Unknown, possibly unused; sounds like a higher-pitched version of the sound heard when hitting an R, Up or Down block in the Sonic 1 Special Stage.
6D Sounds like a door closing.
7D Sounds like mild rattling.
84 Sounds like something charging up. Only seems to be referenced in some Zone with a high level ID which is composed of garbage data.
85 Sounds like it would have been used in cooperation with sound 84.
8D Unknown, possibly unused; a very quiet sound.
8E Another rev-up sound. Sonic Origins uses this sound for the wheel switches in Marble Garden Zone.
99 A small "tick" sound.
A1 A low-humming, unsettling sound. This sound effect is later used by the Hotaru Hi-Watt mini-boss in Sonic Mania.
A5 Sounds like something rising or powering up?
A6 Another dashing noise.
B5 A leftover from Sonic 1 that was used for the breakable diamonds in the Special Stage.
BC Unused? Possible waterfall sound effect.
C5 Sounds like it would be used in coordination with sound C4, the sound for Red Eye's laser. Sonic Origins uses this sound when Red Eye stops firing its laser.
D1 Possibly unused; another very faint sound that may sound like static.
D6 Rumbling/electric sound?
D8 Sounds like a screeching warning siren. Repeatedly pressing the C button when playing this sound in the Sound Test makes it play longer.
DD-DF All of these sounds are duplicates of DB (heard when running across water in Hydrocity Zone) and are likely placeholders.

References


Sonic the Hedgehog 3
Sonic3 title.png

Main page (S3&K)
Comparisons (S3&K)
Maps
Achievements
Credits

Manuals
Promotional material
Magazine articles
Video coverage
Reception
Merchandise

Development
Hidden content (S3&K)
Bugs (S3&K)
Region coding
Hacking guide
Bootlegs
show;hide
  • Levels
  • Enemies
  • Bosses
  • Prereleases
  • Media

Competition Levels:

Sonic & Knuckles
Sonic & Knuckles title.png

Main page (S3&K|KiS2|Blue Sphere)
Comparisons
Maps (S3&K) (KiS2) (Blue Sphere)
Achievements
Credits

Manuals
Promotional material
Magazine articles
Video coverage
Reception
Merchandise

Development
Hidden content (S3&K)
Bugs (S3&K)
Region coding
Hacking guide
Bootlegs
show;hide
  • Levels
  • Enemies
  • Bosses
  • Prereleases
  • Media
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