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Game Secrets:Sonic the Hedgehog 3

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Contents

Lost Sprites

Artwork Name Description
S3-Sbored.gif
"Bored" Animation Sonic in his signature "waiting" pose, but instead of pointing towards the direction he's facing, he falls asleep from boredom instead. Never used in-game.
S3-Swhistle.gif
"Whistle" Animation Sonic whistling. Not used in-game.

Reticon.pngSpeculation reveals that this animation may have been paired with a "Help-Item" mentioned in a German magazine article. Sonic would have broken the monitor, used the whistling animation, and then Tails would fly in from out-of-screen to carry Sonic around as he pleased, similar to a second player controlling Tails while holding the first player. A whistle sound which is probably related to this can be heard when breaking S-monitors and at the beginning of Doomsday Zone.

Sonic3-knuxmini.png
Unused 2P Knuckles Sprites Unused Gliding/Climbing animations exist for Knuckles in two-player mode, even though he doesn't have the ability to glide or climb while in two-player.
Tailsanim1.gif
Leftover Continue Animation Leftover animation from the continue screen in Sonic 2.
Minideathegg.png
Mini Death Egg Smaller rendition of the Death Egg. It seems to be part of a Death Egg hologram projector which was also unused in Sonic & Knuckles.
Sonic3pgn.png
Diagonal Penguin Sprites Diagonal frames of the penguin badnik from Ice Cap Zone. These can be seen for a split second if you place a penguin on the large hill at the beginning of the zone using debug mode.
Sonic3eggmanpanic.png
Unused Eggman Sprite Unused running frame where Eggman has a different facial expression.

Red revolving spheres

Redthing.png

This is a spinning mass of red balls, placeable by debug mode in the first part of Angel Island Zone, Act 1. The balls look similar to those appearing in the game's special stage. The object seems to have no apparent purpose. When it is placed, palette problems arise in the level. It can be manipulated with the second controller. Pressing Up or Right change the object's size, Down and Left move it, A and C rotate one axis, B rotates another axis, and pressing Start toggles automatic rotation.

Knuckles

S3CharSelect.png S3EndSign.png

Some data for Knuckles seems to be in the game still. Using game genie codes created by LocalH (ASCA-AAHC + ASCA-BA9Y), Knuckles character select and continue icons will appear in game. The level clearing text and the end sign will also have Knuckles graphics. The character you play will still be Sonic.

Lost Eggman Object

Sonic3-eggmanlost.png

An unused Eggman object discovered by Nemesis. It appears to be nothing more than Eggman flying away towards the horizon. Purpose is unknown.

Leftover Sonic 2 Menus

S3LeftoverMenu.png

By setting the game's screen mode to $24, you can access the Sonic 2 options menu in Sonic 3! Either use the following patch code:

FFF600:2400

Or follow the instructions on SCHG How-to:Restore Sonic 2 Menus to Sonic 3.

Unused Surfboard Intro

Surfboard.gif

This animation was found in the Sonic 3 ROM. It's part of an unused intro sequence, in which Sonic surfs onto Angel Island, rather than riding in on the Tornado. The sprites are based on Sonic 2's style, rather than those of the final Sonic 3. This savestate (info) will allow you to see the full sequence in action (thanks to Nemesis).

Surfboard1.png

These sprites were probably used when jumping off the board.

Unused Flying Battery Zone icon

Sonic 3 S & K
Sonic 3 Flying Battery icon.PNG FBZicon.png

This unused icon was created for Flying Battery Zone, back before it was re-ordered to be in Sonic & Knuckles. The corresponding Sonic & Knuckles icon is different.

This can be found in both the PC and Mega Drive versions of Sonic 3, and can be viewed by hacking the SRAM for the game to access level slot $04, or by using the PAR codes 00C324:601E and 00C338:6002 to view the icon in a completed game save slot while scrolling through the levels.

True Level Order/Unused Levels

Sonic3LevelSelect.png

The level select menu reveals what the level order may have looked like had Sonic 3 and Sonic & Knuckles not been split into two separate games. The Sonic 3 levels are arranged the same as they are played in the game, but Flying battery from Sonic & Knuckles can be seen listed in between Carnival Night and IceCap. Following Launch Base two more Sonic & Knuckles levels can be found, Mushroom Hill (which goes by the name Mushroom Valley here), and Sandopolis.

In a commentary found in the Sonic Jam strategy guide it was revealed that the reason IceCap was meant to follow Flying Battery is because Sonic was supposed to break down the door of it, and use that door as a snowboard. It also mentions that Flying Battery was meant as the eighth level, with IceCap being the ninth.

Also, when a level is highlighted, a level icon from Sonic 2 is shown, with the icons appearing in the Sonic 2 order e.g. Angel Island has the Emerald Hill icon, Hydrocity has the Chemical Plant icon, Marble Garden has the Aquatic Ruin icon. Even the special stage has the Sonic 2 special stage icon. It can also be noted that the second '2P VS' level has an icon which resembles the cut 'Hidden Palace' level from Sonic 2.

8th Special Stage

In Sonic 3, there was an 8th Chaos Emerald accessible via a hidden cheat code. The emerald is the same color as the 7th Special Stage, grey. To access it, to go the level select, set the sound test selection to 07, and press A + Start on the "Special Stage 2" selection.

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.

A map of this special stage is as follows:

Sonic3-yellowem.png

1

Sonic the Hedgehog 3 + Sonic & Knuckles
Sonic 3 & Knuckles
S3k title.png

Main Articles:
S3 | S&K | S3&K
S2&K | Blue Sphere


Levels
Enemies: S3 | SK
Mini-Bosses | Bosses
Bugs: S3 | S&K & S3K
Music: S3 | S&K
Story & Endings
Cheat Codes: S3 | S&K
Commercials
Print Ads: S3 | S&K
Magazine Articles: S3 | S&K
Game Development
Secrets: S3 | S&K | S3K
SCHG: S3 | S&K & S3K