This is a sub-page of Proto:Sonic Chaos (Game Gear)/May 17, 1993.
Mecha Green Hill Zone is the fourth stage you see in the game, and it shows several interesting differences, though nothing too drastic. Interestingly, at this point in development, the stage was much closer to the Master System version!
Palette Differences#
- Uses a palette similar to the Master System version.
General Differences#
- The various animated tiles are not implemented yet.
- The Motobug badniks use the same palette as the ones in Turquoise Hill.
- When Sonic runs across the tilted bridges, he slowly moves off the edge. In the final, Sonic stays at the center.
- The oil lakes at the bottom of the level do not have a splash effect when Sonic jumps into them.
- Act 2 has a static monitor in the beginning. It is a ring monitor, yet shows no icon on the monitor.
- Act 2's layout may be early: in the lower-right corner of the level, there is a big empty area.
- The boss animates differently compared to the final game, and has more animation.
Act 1#
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May 17, 1993 |
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Final |
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May 17, 1993 |
Final |
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- Boing-o-Bot is in a different location.
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May 17, 1993 |
Final |
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- There's a red ball next to the wall instead of being under the floor.
- There is a row of rings in the air that is not present in the final version.
- There is a Super Rings monitor instead of a life monitor, and it's also in a different location.
- Boing-o-Bot is in a different location.
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May 17, 1993 |
Final |
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- The space between the floors is a little bit bigger.
- In the holes, instead of flying platforms, there are several springs arranged diagonally.
- The part of the ground where the oil lake is located is slightly smaller.
- There are some background blocks with strange tiles.
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May 17, 1993 |
Final |
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- There's a Super Rings monitor in the middle of nowhere.
- There is a small row of vertical rings where the flying platform is located.
- The area where the Rocket Shoes Monitor would be located is slightly smaller than in the final version, in addition to having a spike there.
- There is a Super Rings monitor instead of Rocket Shoes, and it's in a different position.
- There is a red spring on the right diagonal, this one is a little higher up.
- The cluster of rings on the right side has many more rings.
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May 17, 1993 |
Final |
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- Boing-o-Bot is in a different location.
- The spring object is not present.
- Some of the floor blocks have a different pattern.
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Final |
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- There are far more spikes here.
- The metal coconuts are in different positions.
- The Bongo-Bots are in different positions, in addition to having a minor.
- The rows of rings have more rings.
- There is a cluster of rings at the end of the top platform that is not present in the final version.
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May 17, 1993 |
Final |
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- There is a diagonal spring to the left.
- The spikes are missing.
- There's a Boing-o-Bot here.
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May 17, 1993 |
Final |
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- Here there is a Super Wings monitor instead of an Invincibility Monitor.
- There's a Boing-o-Bot here.
- There's another spike in our side here.
- Where the red springs are located, there are 2 instead of 4, and it's also one block lower.
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May 17, 1993 |
Final |
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- The red spring next to the Super Rings Monitor is missing.
- There is a missing block.
Act 2#
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Final |
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Final |
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- Sonic starts in a different position than in the final version.
- There's a Super Rings monitor next to Sonic.
- The flying platform is missing.
- The row of rings on the top platform is missing.
- There is a row of rings between the trees that is not present in the final version.
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May 17, 1993 |
Final |
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- The row of vertical rings is longer and has more rings.
- The flying platform is in a slightly different position.
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May 17, 1993 |
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Final |
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- The Boing-o-Bots, the thorn and the spring, are in different locations.
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May 17, 1993 |
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Final |
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- There's a Super Rings monitor instead of a Rocket Shoes monitor, and it's in a different position.
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May 17, 1993 |
Final |
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- The Boing-o-Bots and the spines are in different positions.
- There's a flying platform here.
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May 17, 1993 |
Final |
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- The stones are not present on the upper platform.
- There are many more diagonal springs here.
- There is a vertical spring and a row of vertical rings that are not present in the final version.
- The cave entrance is a little further up.
- Where Boing-o-Bots would normally be, there is now a Super Rings monitor.
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May 17, 1993 |
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Final |
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- There are two metal coconuts present here.
- Two of the thorns, instead of being blocks, are spiky objects.
- The ramp has many more rings.
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May 17, 1993 |
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Final |
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- The Invincibility Monitor is missing.
- The red diagonal spring is missing.
- There is a row of rings that has more rings.
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May 17, 1993 |
Final |
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- No rings here.
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May 17, 1993 |
Final |
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- There are some diagonal springs here.
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May 17, 1993 |
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Final |
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- Boing-o-Bots is missing.
- The Super Rings Monitor is missing.
- The cave where the Super Rings monitor would be is a larger block.
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May 17, 1993 |
Final |
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- There is a row of rings that has more rings.
- There's a Super Rings monitor instead of a life monitor.
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May 17, 1993 |
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Final |
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- One of the Boing-o-Bots is in a different position.
- The rows of rings have many more rings here.
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May 17, 1993 |
Final |
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- Boing-o-Bot is in a different location.
- The position of the flying platforms is different.
- One of the blocks on the ceiling is yellow instead of gray.
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May 17, 1993 |
Final |
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- The thorns are in a different location.
- In one of the holes there are several red springs arranged diagonally.
- There are some background blocks with strange tiles.
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May 17, 1993 |
Final |
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- Boing-o-Bot is in a different location.
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May 17, 1993 |
Final |
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- There is only one flying platform instead of two.
- The wall on the right side is missing, and there's also an empty block.
Act 3#
May 17, 1993 |
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Final (Master System) |
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Final (Game Gear) |
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The layout of the third zone is practically an early version of the version that is present in the Master System version!
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May 17, 1993 |
Final (Master System) |
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- There are some rings present here.
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May 17, 1993 |
Final (Master System) |
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- The flying platforms are in different positions, and there are only 5 instead of 6.
- The wall on the right side is slightly larger.
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May 17, 1993 |
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Final (Master System) |
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- The row of rings is slightly different.
May 17, 1993 |
Final (Master System) |
Final (Game Gear) |
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- There's a large hole where the "Tree Crawler Boss" tree is located. in the Master System version, the hole was shortened and some spikes were added, but in the Game Gear final version, the hole was completely removed.




