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Sonic the Hedgehog 2 (2013)/Hidden content

From Sonic Retro

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Game configuration menu

Sonic2ios-gameconfig.png

A game configuration menu is accessable by playing sound 00 three times in the sound menu. It has the following options:

  • Player: Choose any of the available characters/character teams.
  • Items: Chosse between all Sonic 2 and Sonic 3 monitors, including the hidden ones.
  • Flight: Toggle Tails ability to fly.
  • Air Cap: Toggle the air speed cap.

Unused content

Unused monitors and various objects.[1]

Art

Art Description
Sonic2iOS-CPZMetalPoles.png
Unknown object for Chemical Plant Zone.
Spr cpzboss.gif
Boss animation for Chemical Plant Zone.
Sonic2iOS-ARZPillar.png
Pillar found in amongst the Aquatic Ruin Zone graphics.
Balkiry2.png
A standing frame for the Balkiry.
S2-Turtle.gif
Walking animation for the turtle.

Leftovers

Art Description
Sonic1iOS-TailsContinue.gif
Continue screen animation from Sonic 1 (2013 game).
SonicCD11-tailslifeicons.png
These are leftover Tails life icons from the 2011 Sonic CD and Sonic 1 port.
CDTimer Leftover.png
Leftover timer marks from Sonic CD (2011).
SonicCD11 Placeholder.png
Likely related to Retro SDK's level editor which is used to create the game. The same icon was found in the Sonic CD and Sonic 1 port.

Objects

Art Description
Tv super.png
"S" monitor which causes the player to become Super. Using this monitor is the only way for Tails to become Super in this game.
Sonic1iOS-ShieldsMonitor.png
Three Shields monitor which switches the items option on or off. Changes take effect either when the act is restarted or when the next act is reached.
Sonic1iOS-EmeraldMonitor.png
Emerald Monitor. Breaking it will give the player all the Chaos Emeralds, or take them all away.
Sonic2iOS-SpringMonitor.png
Spring monitor, which also exists in the Nick Arcade and Simon Wai prototypes.
Snailbot.png
The snail badnik from the Nick Arcade prototype has the same movement pattern as it does in the prototype.
Bee sprite.png
An alternate version of the Buzzer badnik. It behaves as it was planned out to in concept art. Its shots burn bridges, which will harm the player unless they have a fire shield.
Spr 3eyefish.png
Another beta badnik in Chemical Plant Zone, it now works fully. It moves around slowly but speeds up if it comes in close proximity with the player. It drops Bubblers as it's attack.
Sonic2iOS-Bubbler.gif
Dropped by Mother Bubble badnik and explodes after touching the ground.
Sonic2iOS-Fireball.gif
A stationary fireball for Chemical Plant Zone that harms the player, unless they are wearing a Fire Shield.
Sonic2iOS-CPZBall.gif
A ball for Chemical Plant Zone that will float in the air, and give chase if the player is in close proximity. When above the player's head, it'll explode and drop chemicals. The Bubble Shield can protect against this attack.
Aquatic ruin door.png
Aquatic Ruin Zone door which closes as soon as the player passes through it.
Sonic2iOS-GreenGrounder.png
Same as Grounder, but green. A homage to Adventures of Sonic the Hedgehog.
Sonic2-mrzobject.png
Weird platform made of rings, placeable using debug mode in Mystic Cave Zone. It moves back and forth depending on which side you stand on.
Sonic2iOS-OOZBall.gif
Checkered ball in Oil Ocean Zone that behaves like the checkered ball in the Sonic 1 2013 game.
Sonic2-giantlaser.gif
Wing Fortress Zone platform that shoots laser when it spins.
Sonic2-wfz-spinnything2.gif
Wing Fortress Zone spinning object. It behaves the same as in the original game and hurts the player.

8th Special Stage

Sonic2iOS-8thSpecialStage.png

A 8th special stage is available in the sound test level selection menu. By selecting sounds 00 through 07 the special stage you enter when choosing the special stage will change. 00 is the first level and every number after that is the next highest level with 07 leading to the new 8th level. This level features a purple floor, corkscrew loop, and a light blue Chaos Emerald.

Proto Palace Zone

Sonic2iOS-ProtoPalaceZone.png

As of Version 3.0.9 the Proto Hidden Palace Zone is accessable in the hidden stage select menu. Simply choose "Hidden Palace" in the menu. There are a few small differences from the Mega Drive incarnation. The water slide works and is fully implemented. It is also impossible to get too far in the level as the large emerald acts as a stage clear warp instead of breaking to let players through the bottom.

Egg Gauntlet Zone

EggGauntlet.png

Egg Gauntlet Zone data remains in the final game but can only be accessed through hacking. It was the first attempt at a Boss Attack level that had some original artwork such as mechanical palm trees and flashing lights. It was to be a full Zone that acted as a testing facility for some of the bosses inventions rather than just have a level with bosses back to back. The act was nearly completed and needed just a few graphical changes to replace missing, unpolished, and placeholder graphics. Sonic Team did not approve of changing the location, colors, or graphical style so the level was scrapped and the Boss Attack level that was used in the final game was created.[1] A map of the level can be seen here. A youtube video can be found here.

As of Version 3.0.9 the Zone was completely removed from the game.

References


Sonic the Hedgehog 2 (16-bit)
Sonic2 title.png

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