This article has a talk page!This is a sub-page of Proto:Sonic the Hedgehog (Genesis)/Green Hill Zone.
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Green Hill Zone, having been present since the very beginning of Sonic the Hedgehog's development, is the most polished Zone in the entire prototype, and the only one that ends with a boss battle.
However... it's still a ways off here from what eventually shipped, in no small part because it is teeming with giant balls of destruction. (They're in all three Acts!)
General#
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- The sunflowers in this build have a magenta disk floret instead of a green one. This color scheme still appears in the ending, suggesting it was altered late in development.
- As a consequence, the green Newtrons are also instead magenta. Possibly due to the flowers and Newtrons sharing the same pallete line.
- This build contains the infamous rolling ball seen in various prerelease sources. The listing for this still remains in the final game, but attempting to place it (19) does nothing due the code being deleted. Part of the ball’s sprite is used for Doctor Robotnik’s Egg Mobile Hammer Ball-shiyou in the final game.
- The ball is quite buggy: it has a strange habit of pushing Sonic through the ground and for some reason defies gravity if the player stands on it. Both of these could explain its removal.
- The background has a different chunk order to the final, meaning the large waterfall appears earlier than it does in the final.
Act 1#
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- A single Motobug is close to the beginning of the stage, meaning the player can potentially die before they even start moving.
- The invincibility monitor in the tree after the bridge is not present in this build.
- It is possible to duplicate the ball objects without Debug Mode; it is likely that the ball is intended to despawn at a specific distance away from its spawnpoint, which may be the intention of the jumping action. The ball can be duplicated by riding it (as the ball code does not perform collision detection checks when Sonic is standing on it) past the ramp and then immediately taking it back to the area before the ramp. Another ball will immediately spawn.
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This palm tree near the bridge didn't have a spring on top yet.
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The design of these chunks were changed. Probably because they looked bad.
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There are spikes on the wall just below the spring. These were removed in the final game.
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This area underneath the spiked wall had a spring surrounded with two spikes. The final build removes the extra spike and leaves only one spike on each side.
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The platforms on the hill above the two S tunnels are missing, however an Invincibility monitor is present. The nearby flower is also shorter than in the final game and the shading on said hill also doesn't go as far up.
Act 2#
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One of the rocks near the start was removed, and a yellow spring is placed on top of the other rock in the final. The rings were also moved up.
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A 1-Up Monitor hidden behind the Speed Shoes Monitor was replaced with a Shield Monitor.
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The prototype has an extra row of rings here.
Act 3#
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The Shield Monitor was replaced with an Invincibility Monitor, the rock was replaced with a yellow spring and moved to the edge of the starting platform, and a Buzzbomber was removed outright.
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A checkered ball was removed, and a missing spike was added. A crumbling platform was also added to the ledge above.
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A set of three spikes were removed, and a green Newtron was added on the wall to the right.
Unused and Changed Chunks#
There are many unused chunks for Green Hill in this prototype, unlike the final game's total of zero.
Chunk 2A is notable for using border tiles reminiscent of those seen in the 8-bit versions' rendition of Green Hill Act 2. These tiles still exist in the final game, where they're likewise still unused.
While unused in this prototype, chunk 3A appears to be an earlier version of what would become chunk 02 in the final game. After flipping chunk 02 horizontally and removing its three palm trees, the two align perfectly, shadows and all:
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