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Sonic the Hedgehog CD (Mega-CD prototype; 1993-05-10)

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Sonic the Hedgehog CD (Mega-CD prototype; 1993-05-10)
System(s): Sega CD
Publisher: SEGA
Developer:
Genre: 2D Platform

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CD Sonic the Hedgehog 510 is the first prototypes of the game Sonic the Hedgehog CD for Sega CD. This beta was discovered by a group of fans called Sega Extreme, in the summer of 2000. The game contains all stages of the final game, but at first sight we can only highlight the first three: Palmtree Panic, Collision Chaos and Tidal Tempest. The rest can be viewed through the Level Select. CD Sonic the Hedgehog 510 deviates too much from what is the real game, as it was the beginning of the design of the game, and then had enough elements than those of Sonic CD.

Differences

Differences CD Sonic the Hedgehog 510 were in all respects: Graphics, Music, Zones, Special Stages and the Opening FMV.

Graphical Differences

  • The prototype begins with the display of American Sega CD.
  • SEGA logo appears in 3D while playing SEGA Sound.
  • The Title Screen is very different:
    • Sonic appears in the medal in the shape of her face, and under the medallion, a SEGA's sign golden.
    • In the band with the name, the title CD Sonic The Hedgehog appears. Also, instead of the sign that indicates the SEGA logo and the year 1993.
    • The clouds are left, the mountains with the face of Dr. Eggman is larger, the menu is top-down and fewer mounts.
    • Also appearing credits toward Keiko Utoku, singer the Japanese and European Opening.
  • In Time Attack screen, the logo of departure brings an image of Little Planet and the chain subject to the mountain of Eggman, instead of the final version.
  • At the end of the panel level, Sonic's face appears with a smile more changed, and the bones of the head are misplaced.
  • In the original game had 3 powers in the video monitors:
    • Super Monitor: Delivery Sonic increased speed and shield of invincibility. It has the symbol of an "S" red.
    • Blue Belt: Meets the same function of the Super Monitor. Has the image of a blue ring.
    • Freezer time: The image of a clock. In tests of the game was not working correctly, but its role was to freeze time for a few seconds.
  • Amy Rose has larger eyes and thorns.
  • Passing the first 3 levels of the game, it closes with a screen that says "COMIN 'SOON'.
  • The lives counter is slightly higher than normal, and there is not there zeros in SCORE and RINGS counters, but leaving the numbers get rings or scoring.
  • The flowers that discards each badnik are different.
  • In Good Future of the zones are badniks.

Differences in Music

  • Tracks 2 to 24 and 32 are equal, but without fadeout.
  • Track 25 and 26: Early version of the title song, very different from the final version. It is a shortened version of Sonic - You Can Do Anything.
  • Track 28: Super Shoes song. A rather strange remix of "Sonic - You Can Do Anything".
  • Track 31: Special Stage song. It is longer than the original. It lasts 4 and a half minutes, and is considerably more "remix" than the original.

Opening FMV Differences

  • The home video is transmitted on a screen in a fund brick. Each brick bears the name inscribed SONIC.
  • Also under the screen are Japanese symbols in the text 开発画面, is said in Japanese kaihatsugamen and means image development, between two white edges.
  • There is a scene where there is a takeover of the chain from the ground to Little Planet, the planet that is subject to the chain. In making final scene is put into reverse.
  • The video start in beta has a speed of 50Hz.
  • A scene from the mountains of Eggman and the chain shown in the video beta, is not included in the final video.
  • The Opening Song hear very badly, with bugs and breaks.

Special Stages Differences

Simply, in this prototype, the Special Stage design is not reached 100%, although in the demo of the game, leaving one of them while leaving a text above: "The Programmer Has a nap. Holdout! Programmer!"

Zone Differences

Palmtree Panic

  • This is the only level where you can find the 3 special monitors.
  • There is a section of a tunnel that appears in the final game, but not in the beta.
  • There is a section of a trunk in a waterfall, which does not appear in the final version, and there's also a section of a tunnel in the final game, which is in prototype as inaccessible.
  • In tunnel, Sonic is not wound to enter, and could not leave through the other opening. Therefore, Sonic must enter the tunnel at top speed to wrap and leave through the other openings. In a secret tunnel, Sonic walk horizontally to climb.
  • In future bad 3 of the act, there is a flaw, which comes out if Sonic fired by a spring at the beginning of the level, it gets out of focus of the screen and the same scenario is stuck.
  • The palms of bad future Zone 3 have the same aspect of the palm of good future.
  • The EGG-HVC-D01 prototype of the game in the area has a different aspect. The robot as it is entirely gray, the feet are flat with sharp edges, and have pincers rather than shields rebotadores with a star center. In the final version, the robot has different aspects depending on the type of future in the area. In future bad, rebotadores and parts of the robot are red, while good in the future is lilac.

Collision Chaos

  • The beginnings of the first two zones were different.
  • In the beginning of the zone 1, leaving Metal Sonic, it is able to electrify Sonic, something that does not happen in the final version.

Tidal Tempest

  • The water was different color in all zones, and also altered the graphics.
  • In the prototype had spikeballs appear in fours, this doesn't occur in the final version.
  • In the final game this rush of water is much higher than this prototype.

Other Zones

The other zones can be viewed through the Level Select. The other zones can be viewed through the Level Select. This is the highlight of some:

  • In Quartz Quadrant, at the very beginning of Act 1 Good Future, you can view a Sonic The Hedgehog TV, something that doesn't appear in the final. In both version's Bad Future there is an Eggman TV in the same position.
  • When you begin the Wacky Workbench Zone, you can clearly see that the background has had a different colour scheme to it. In 510, the background is more green coloured, while the final has more of a blue colour.
  • In Stardust Speedway, Zone 1, There is this crazy mixture of colors. That's because the lights of substance which has the stage.
  • In Stardust Speedway, Zone 3, Metal Sonic does not appear to make the race.

Cheat Codes

  • Level Select: On the title screen, press START in the controller 2 and then hit START in the controller 1. Will come out a black screen with a bunch of numbers and letters similar to selector Sonic CD. Choose the level and press START.
  • Debug Mode: In the middle game, click START on the second controller.

Debug Controls:

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.

External Links

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