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Sonic the Hedgehog CD (prototype; 1993-07-12)/Comparisons/Metallic Madness

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Zone 1

SonicCD712 MCD Comparison MM Act1TrapDoors.png
712 prototype
SonicCD MCD Comparison MM Act1PresentSideSpikes.png
Final game

The Scrap Brain Zone-style opening and closing trap doors have moved from the 510 prototype, and are now covering these sections, replacing the awkward sideways spikes. In the final, these objects would be removed entirely, forcing you to wrestle the physics engine as you negotiate the spikes. They also have a sound effect attached in the 712 prototype, but it's a bit loud and off putting.

Interestingly these sections appear in the PAL Mega-CD manualMedia:SonicCD MCD EU manual.pdf[1], suggesting they were removed quite late into development.

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712 prototype
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Final game

The area where the robot transporter is in the Past of Act 1 has more springs than spikes.

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712 prototype
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Final game

The shrink laser has a delay before firing each laser instead of firing constantly. The growth laser, on the other hand, is constantly firing like in the final.

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Final game


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Final game


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Final game


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Final game


Zone 2

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712 prototype
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Final game

The door to the goal in Act 2 is guarded by three Bigboms in all timezones.

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Final game


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Final game


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Final game


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Final game


Zone 3

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712 prototype
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Final game

The whole stage doesn't explode when the final boss is defeated, and Amy doesn't appear.

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Final game


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Final game


References


Sonic the Hedgehog CD (prototype; 1993-07-12), prerelease version of Sonic the Hedgehog CD
SonicCD MCD JP Title.png

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