- Back to: Sonic the Hedgehog CD (prototype 510)/Comparisons.
Quartz Quadrant can only be accessed through the level select screen, and is in a noticeably less polished state than previous levels. There are no rings.
Act 1
Many objects in Quartz Quardrant have palette issues, including this rock and this platform, which are seen as soon as you enter act 1.
In the good future version of the zone, Sonic appears on a monitor in the background to complement Eggman's appearance in the bad future version. It was removed from the final game for unknown reasons.
Common to Quartz Quadrant are these swinging platforms with conveyor belts on them. No such object exists in the final game.
Different graphics are used for bridges.
You can't enter these tubes in the 510 prototype.
Outside in the good future, the sky is black and the trees are covered in cheese.
The giant ring is too high to reach, and the signpost is overlaying the foreground.
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510 prototype
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Final game
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510 prototype
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Final game
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510 prototype
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Final game
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510 prototype
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Final game
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Act 2
These rocky pillars don't exist in the final game, and cannot be broken.
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510 prototype
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Final game
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510 prototype
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Final game
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510 prototype
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Final game
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510 prototype
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Final game
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Act 3
Act 3 takes some negotiating because there aren't enough objects in the level. The only way to get up here is to use a cleverly timed peel while standing on the conveyor belt to the left.
There's no point in trying in the bad future - the conveyors are too low.
A selection of monitors, possibly to test the boss.
The boss itself is functional, but unpolished. The spikes on the left have a simpler design and in the good future, the conveyor belt animates in reverse.
The capsule has palette problems, as does every capsule seen in subsequent zones.
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510 prototype
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Final game
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510 prototype
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Final game
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Graphics
The flowers in the 510 prototype are unique to each zone. However, starting from Quartz Quadrant, the flowers use the wrong palettes.
References