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Sonic & Knuckles (prototype 0525)/Hidden content

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Back to: Sonic & Knuckles (prototype 0525).

Level select

SK level select.png

Enabled by default. Scroll down and select "Sound Test" on the title screen.

Edit mode

Notavailable.svg

Enabled by default. Hold A+Start while selecting a level.

All Chaos Emeralds

Play sounds 02, 04, 06, 08 in the sound test. A Chaos Emerald sound will confirm correct entry.

Night mode

Sonic3C0408 MD NightMode.png

Enabled by default. Hold C+Start when selecting a level.

Unused content

Art

Art Description
S&K0525 MD Sprite SonicTitleScreen.png
An earlier version of Sonic's falling pose for the Sonic & Knuckles title screen, found at $D36C0. The shading for Sonic's eyes and chest is unpolished[1].
S&K0525 MD Sprite S&KTitleScreen.png
Work-in-progress title screen frames for Sonic & Knuckles. Like the above graphic, Sonic's eyes and chest are lacking polish in the shading, while Knuckles is mostly finalised save for a few pixels on the shoes. The placeholder numbers for the animated tiles can also be seen in these frames[1]. The fourth frame in its unfinished state can also be seen on the MTV television show, Rock the Rock[2].
S&K0525 MD Sprite LogoTitleScreen.png
An earlier version of the Sonic & Knuckles logo for the title screen, found at $D4D90[1].
S&K0525 MD Sprite LogoEnding.png
An earlier version of the Sonic & Knuckles logo for the endings, found at $165240[1]. Pro Action Replay code FFFFAE:0001 will force the game to display this logo in Knuckles' ending instead of the Sonic the Hedgehog 3 logo.
S&K0525 MD Sprite SonicEnding.png
A unique ending pose for Sonic that goes completely unused. No mappings appear to exist for this graphic, so its assembly here is based on guesswork[1].

References


Sonic & Knuckles (prototype 0525), prerelease version of Sonic & Knuckles
Sonic3 title.png

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Part of Sonic & Knuckles development