索尼克大冒险2/测试元素

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这篇文章涉及到Sonic Adventure 2的测试版元素。

未使用的图形

Rouge雷达

File:SonicAdventure2 UnusedEye1.png

在游戏文件中似乎有不同的图形用于Emerald Radar，这最有可能是用作Egg Quarters中的雷达来探测Egg Beetle，但这个想法最终被放弃。

随机环

File:SonicAdventure2 RandomRing.png

Random Ring icon.

游戏文件中有一个Item Box图像，上面有一个带问号的Ring。根据原始文件名，这会给玩家一个随机数量的环。

角色图标

所有的Dreamcast版本的可解锁多人游戏角色(Amy, Metal Sonic, Chao Walker, Big, Tikal 和 Chaos) 都有自己的life图标，但由于该模式不使用生命系统，所以它们未被使用。

多人游戏屏幕

File:SonicAdevnture2 DarkUnused.png

Multiplayer graphic.

在Dreamcast磁盘的ROM中有两个图形。从游戏中的文件名可以推测，它们原本是用于多人游戏菜单的。

早期菜单图形

与游戏的各个方面相关的未使用文本有很多，例如Chao Race或Dreamcast版本中被取消的世界排名，这使用了日文文本。

关卡地图

在游戏的演示版本和最终版本的文件中，都有几个关卡的地图。这些在最终的游戏中并未使用。

教程屏幕

• 解释如何捡起物体的教程。

  解释如何捡起物体的教程。

• 关于Eggman的能量提升的教程。

  关于Eggman的能量提升的教程。

• 解释Homing Attack的教程。

  解释Homing Attack的教程。

• 关于多人游戏中Knuckles的特殊技能的教程。

  关于多人游戏中Knuckles的特殊技能的教程。

• 关于多人游戏中Tails的特殊技能的教程。

  关于多人游戏中Tails的特殊技能的教程。

• 关于使用Mystic Melody的教程。

  关于使用Mystic Melody的教程。

有一些解释Level Up Item和特殊攻击的视频在最终游戏中没有出现，尽管它们仍然可以在角色的文件中找到。

场景选择图标

File:SonicAdventure2 UnusedSceneSelectIcon.png

Dark story的场景选择中有一个选项可以在第二次Sonic boss battle中开始游戏。但是，玩家必须完成一个关卡才能访问Hero story中的等效部分，因为其场景选择不包括相应的boss battle。不过，该选项的图标确实存在，与Dark story的场景选择中使用的图标略有不同。

残影模型

File:SA2-ShadowAfterimage.png

Shadow's afterimage model.

当Sonic执行他自己版本的Light Dash时，可以看到残影模型。然而，尽管游戏文件中存储了残影模型，但当执行该动作时，Shadow并没有使用他的残影模型。

监视器屏幕纹理

File:SonicAdventure2 y renda02.png

Monitor screen texture.

左侧的屏幕本应在Dr. Eggman的监视器上显示，这是在他意识到Sonic的团队从金字塔基地到达Space Colony ARK的过程中的一个剪辑，但它从未显示过并且已经被替换了。

在这个屏幕上，还值得注意的是Emerald，Tails拿着的是白色的，而不是黄色的。

TV设置标题图形

在最终版本中，有两套“电视设置”图形未被使用。它们本应放在菜单的左上角，与其他所有图形机制相似。

未使用的物体和参数

在Dreamcast版本的关卡中，经常有一些在不可到达的地方放置的未使用的物体。有些物体仍然可以与玩家互动，但它们简单地处于不可见状态。

敌人锁定的导弹

导弹有一个选项可以阻止发射器打开并发射导弹，除非某些敌人被击败，就像Prison Lane和设置在Space Colony ARK的关卡中的门一样。尽管这是一个完全功能性的选项，但游戏中没有导弹被设置为这样，所以这一功能未被使用。

铁门

File:SA2 Iron Gate dash pad.png

隐藏的冲刺面板。

在Iron Gate的第一个锁定门后，有一个带有电梯的房间，该电梯通往一个狭窄的隧道。在隧道通向的房间之前，右侧的墙内有一个Dash Panel。

白色丛林

• File:SA2 White Jungle dash pad.png
• File:SA2B White Jungle rings.png
• File:SonicAdventure2 white jungle hidden dash robots capsules.png
• File:SonicAdventure2 WhiteJunglePads GCN.png

White Jungle包含了Green Forest早期版本的一些残余物。一些物体的属性已损坏，但如果将Green Forest的物体文件替换为White Jungle的文件，那么场外的物体将完美匹配该关卡。

在关卡的起点附近，有一个放置不当的Dash Panel，位于起始隧道的正下方。此外，还有两个额外的冲刺面板，位于Shadow在起始隧道开始时使用的冲刺面板的稍下方，这使它们变得无用。GameCube版本中也存在这两个冲刺面板。

视野之外还有更多的物体，这些物体表明这个关卡在开发过程中经历了重大的变化。这些物体包括浮动的平台、一对Ring轨迹、更多的冲刺面板、两个无敌 Item Box、一个奇怪的旋转物体和众多的Beetle Series敌人。这些物体似乎与任何东西都没有太大的关联，没有作弊代码，玩家无法触及它们。

在GameCube版本上，这些物体的排列已经被重新安排。它们保持了相同的格式，但物品盒和奇怪的旋转物体已经消失，与此同时，Beetle Series敌人执行了不同的操作。当Shadow触摸关卡的Goal Ring后，四个环会在屏幕之外出现。这些环由于某种原因排列不均匀，并且在游戏结束之前无法收集。

陨石群

通过修改玩法，使Sonic或Shadow在Meteor Herd中玩时，可以找到一个隐藏的Grind Rail。这个轨道的一端开始于中央塔，然后陡然向下通过两个连续的loop，最后结束在关卡的起点附近。

最后的追逐

File:SonicAdventure2B FinalChase.png

屏幕之外的Spring。

如果玩家转向Shadow并向后研磨在开始的Grind Rail上，他最终会遇到一个将他弹入bottomless pit的屏幕之外的Spring。

多人模式City Escape

Dreamcast版本的游戏文件包含一个未使用的对象布局，用于多人模式的City Escape，它与Sonic Adventure 2: Battle的正常版本和多人模式版本都大不相同。由于不完整的City Escape在多人模式中从未使用过，所以这个布局完全未被使用。值得注意的是，这个布局更像是Sonic Adventure 2: The Trial中的City Escape版本，而不是游戏的最终版本。

多人模式Cosmic Wall

出于某种原因，大部分的物体和Cosmic Wall的部分几何结构在Sonic Adventure 2: Battle的关卡的双人版本中都被加载了，这通常只包括一个有三个层级的平台。它通常是看不见的，但可以使用月跳代码到达。

多人模式绿丘

• 未使用的多人模式关卡列表。

  未使用的多人模式关卡列表。

• 绿丘出现在多人模式关卡列表中。

  绿丘出现在多人模式关卡列表中。

• 索尼克在绿丘的起始姿势。

  索尼克在绿丘的起始姿势。

• 影子在绿丘的起始姿势。

  影子在绿丘的起始姿势。

• 索尼克在绿丘的获胜动画。

  索尼克在绿丘的获胜动画。

Dreamcast版本中两人模式的关卡全图包括了绿丘。这暗示绿丘原本可以由两人同时玩，但即使解锁，它仍然只能一个人玩。此外，深入挖掘可以发现这个关卡实际上是游戏的多人模式关卡选择中的一个选项，但它是隐藏的且无法解锁。

尽管如此，如果通过黑客手段激活，该关卡在多人模式中正常工作，并为两个角色都包括了正确的姿势和起点。

隐藏的戒指

• 戒指#1（Radical Highway）

  戒指#1（Radical Highway）

• 戒指#2（Pumpkin Hill）

  戒指#2（Pumpkin Hill）

• 戒指#3（Mad Space）

  戒指#3（Mad Space）

• 戒指#4（绿丘）

  戒指#4（绿丘）

• 戒指#5（Hidden Base）

  戒指#5（Hidden Base）

• 戒指#6（Sky Rail）

  戒指#6（Sky Rail）

某些关卡的奇怪位置可以找到隐藏的戒指，通常位于起点的下方。如果没有死或拥有Thunder Shield来吸引它们，通常是无法获得它们的。

Chao园区

黑市

黑市原本打算出现在游戏的Dreamcast版本中，但最终被取消，只出现在Sonic Adventure 2: Battle中。

游乐场

• 丢失的游乐场

  丢失的游乐场

• 丢失的比赛部分

  丢失的比赛部分

游戏文件显示原计划在Chao园区中包括一个游乐场。

图书馆

File:Sa2 ChaoLibraryLevel.png

丢失的图书馆。

曾经计划建立一个Chao图书馆，玩家可以从Chao Kindergarten进入。在图书馆里，玩家可以下载或创建Chao Adventure 2的新故事。虽然这从未完全实现，但Chao Adventure 2仍然拥有支持多个故事所需的模块设计。光盘上有一个文件（OSAMPO2S）代表一个空白的Chao Adventure 2 VMU程序，没有Chao或故事加载，它与Chao数据和故事文件结合。在VMU上运行空白程序不会崩溃，并显示没有Chao可用的消息。光盘上有十个故事文件，每种语言有两个文件。

模型

• 鸭子船。

  鸭子船。

• 为黑暗Chao设计的Kanoke。

  为黑暗Chao设计的Kanoke。

• 风琴。

  风琴。

• Orga。

  Orga。

• 钢琴。

  钢琴。

• Firecracker模型。

  Firecracker模型。

• Firecracker模型。

  Firecracker模型。

• 翡翠勋章。

  翡翠勋章。

• 翡翠勋章。

  翡翠勋章。

• 翡翠切割勋章。

  翡翠切割勋章。

• 勋章。

  勋章。

• 为英雄Chao设计的拨浪鼓。

  为英雄Chao设计的拨浪鼓。

• 为黑暗Chao设计的拨浪鼓。

  为黑暗Chao设计的拨浪鼓。

• Ukiwa。

  Ukiwa。

• Raccoon尾巴。

  Raccoon尾巴。

• VMU。

  VMU。

在游戏文件中，还保留了几个未使用的Chao模型和一些与Chao园区相关的物体模型。

无法获得的Chao

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

• 未使用的Penguin（Dreamcast）

  未使用的Penguin（Dreamcast）

• Omochao Chao（Dreamcast）

  Omochao Chao（Dreamcast）

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

• 无法获得的 Chao（Dreamcast）

  无法获得的 Chao（Dreamcast）

Sonic Adventure 2 包含了二十种独特的 Chao。但是，其中只有十种，包括可下载的Chao，可以被玩家获得。在游戏中，大部分无法获得的品种通常只能通过某些Chao比赛看到，但可以通过作弊在花园中看到。

在 Sonic Adventure 2: Battle 中，大部分来自Dreamcast版本的未使用Chao被移除，然后在其位置上增加了更多未使用的Chao。

Chao蛋

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 无法获得的 Chao Egg

  无法获得的 Chao Egg

• 常规 Chao Egg 的闪亮版本

  常规 Chao Egg 的闪亮版本

除了Sonic Adventure 2: Battle中的无法获得的Chao，还有它们的独特类型的蛋。唯一没有相应蛋的Chao是月亮Chao。

除了无法获得的Chao的蛋，还有一套蛋也可以找到。与这些蛋相关的Chao只能通过繁殖获得，产生一个正常的蛋，所以这些蛋从未出现。就像游戏中的大部分其他蛋，每个蛋都可以找到其闪亮的版本。

世界排名

File:Sa2worldranking6.png

来自世界排名的剩余旗帜。

如上所述在未使用的图形部分，原本打算在Dreamcast版本中实现一个世界排名系统功能，但最终在最终游戏中仍未使用。但是，它的文件仍然保留在游戏的光盘中。游戏文件中还存在来自真实世界的几个国家的旗帜。

未使用的音频

剧情场景

片段	角色	台词	备注
File:SA2-unused sonic-pain.mp3	Sonic	Those robots are a total pain in the-	Intended for the cutscene introducing Shadow in the Hero story.
	Shadow	My name is Shadow. The greatest life form who was given the power of Chaos Control from Pr. Gerald.
File:SA2-unused sonic-shoot.mp3	Sonic	Shoot...
	GUN Soldier	There's a dead end up ahead. Spread out and find them.	Intended the scene where Tails decides to intercept the President's limo to figure out where Dr. Eggman is. It was removed from the English version.
	Shadow	I see... We really do seem to look alike. A reflection in the mirror... you're like my shadow...
	Shadow	Impostor? Heh, aren't you the fake one here? No... aren't you on a completely different level... to be called fake?	This line was repurposed for the cutscene in Green Forest.
	Knuckles	What?! A ghost?	A more frightened version of Knuckles' line before his fight with King Boom Boo.
	Eggman	From this moment forward, you are all citizens of the great Eggman empire!	For the "Day X" cutscene.
	Tails	It's not fair, Eggman!	As Dr. Eggman shoots Sonic into space. Eggman's reply exists as a single line in the game files of the Preview, and is removed from the final version's files.
	Eggman	I can choose any means for my goals!! That's my policy!
	Eggman	We may be partners, but this doesn't mean I trust you.	Intended for the end of Dr. Eggman and Rouge's first encounter.
	Rouge	Bad day or what?
	Sonic	No worries, Egghead!	Just after Sonic's comment on Knuckles piloting the shuttle to the Space Colony ARK.
	Sonic	I don't really care that much.	Intended for after Eggman demanded he hand over the Emerald to save Amy.
	Sonic	There's no time for this!	Intended for the cutscene where Sonic and Knuckles come across the Biolizard. Sonic would have said this after Knuckles identified it as the sealed prototype.

These lines come after the cutscene before Mission Street and have no English equivalent. They appear to be part of an early script, as Tails uses the President's limo to locate Dr. Eggman in the final game.

Clip	Character	Transcript
		English	Japanese
	Amy	What are you doing, Tails?	どうなの？　テイルス？
	Tails	Just a little more... Bingo! Detection successful!! Um, the remaining Chaos Emerald's location is... Uh.	もう少し… ビンゴッ！ 探知成功！！ えーと、残りのカオスエメラルドの位置は…っと
	Amy	What's wrong?	どうしたの？
	Tails	ARK... The first man-made space colony that got sealed off due to an accident 50 years ago.	アーク…５０年前に事故で封鎖された人類最初のスペースコロニー
	Amy	What does that mean?	どういうこと？
	Tails	Eggman's gang is in space right now. We'll have no choice but to go to space and attack that weapon directly in order to stop it.	エッグマン達は今宇宙にいるんだ あの兵器を止めるには宇宙に行って、直接破壊するしかないよ
	Amy	What'd you say?!	なんですってぇー！？

Last Story

Clip	Character	Transcript	Notes
	Secretary	The space colony is still accelerating toward earth. In five minutes, there will be no way to stop it.
	President	Nothing can stop the colony now.
	Rouge	Mr. President, don't give up just yet! Sonic and his friends can still help us.
	Secretary	I've located the two hedgehogs. They're in the lower quadrant. The space colony has entered the Earth's atmosphere and it's accelerating.
	President	That's ridiculous. There's no way two hedgehogs can stop the colony now.
	Amy	They can! I believe in them! Together, they can do it. I just know it!
	Tails	Go for it, Sonic!	Supposed to be played during the cutscene after the final boss.
	Eggman	Shadow, we're counting on you!
	Rouge	I'm counting on both of you!
	Amy	Hang in there, Sonic! Shadow!
	Secretary	There's an emergency message from the space bureau. They're tracking the space colony's re-entry trajectory, and it seems to have re-appeared in quadrant L1.	These lines would have appeared before the credits roll.
	President	You know when I was a kid, I used to dream about heroes like them and their heroic deeds.
	Secretary	Mister president, that's why you should be like them. Never give up, believing in your dreams.
	Tails	Where are you going?	These lines were omitted from the ending credits.
	Eggman	Next time, I will pull this off without anyone's help. I will use my own power to take over the world.
	Eggman	Next time we meet, all bets are off!
	Tails	Same here!

Stages

Clip	Character	Transcript	Notes
	Tails	Something's on the radar! We are very close!	Intended for Route 101.
	Rouge	The signal is strong... The emerald's close! Yes! I've got it!	Intended for Route 280.
	Sonic	It's no use!	Intended for the Shadow vs. Sonic fights.
	Sonic	Heh! Is that all you got?
	Shadow	I'll show you the power of the real ultimate lifeform!	Intended for the Biolizard boss battle.

Boss battles

Clip	Character	Transcript
	Eggman	Hahahaha! What's wrong?! Ready to surrender?
	Eggman	Hahahaha! Now, give me the emerald!
	Rouge	Now it's my turn to take what's mine.
	Shadow	Tch! Not even close.
	Sonic	Uh! My emerald! Give it back!
	Tails	What's up? Ready to surrender?!
	Tails	Take that, Eggman! You ready to give up?

Japanese idle lines

In Sonic Adventure 2, the characters have two unique idle lines per stage. However, in the Japanese voice files of the game, Sonic and Knuckles each have a third unique quote for Final Rush and Meteor Herd, respectively.

Clip	Character	Transcript		Notes
		English	Japanese
	Sonic	My feet would rather stick to the ground! Isn't that right?	オレの足のついてるほうが地面さ！そうだろ？	Intended for Final Rush.
	Knuckles	I'm the one who's digging into a meteorite with my bare hands!	隕石を素手で掘ってるヤツなんてオレくらいだぜ！	Intended for Meteor Herd.

Menu themes

There are a few lines that the default menu voice never says in Sonic Adventure 2:

Clip	Transcript
	Type Select
	Emblem Records.
	Kart Racing.

Secretary Variant

The Secretary theme has a variant of all the lines where the player is referred to as "Mr. President":

Clip	Transcript
	Which story do you wish to try, Mr. President?
	Please choose a scene, Mr. President.
	Please choose a character. Mr. President.
	Is this the stage you would like to go to, Mr. President?
	Which story are you interested in, Mr. President?
	Please take a look at your past results, Mr. President.
	Consider which one you prefer, Mr. President.
	Which game would you like to play, Mr. President?
	You can change things to your liking here, Mr. President.
	Which music would you like to listen to, Mr. President?
	Please enter your ID and password, Mr. President.
	Please choose a file, Mr. President.
	Is there a memory card in your controller, Mr. President?
	There's just not enough memory to save your game, Mr. President.
	Well done, Mr. President.
	Is this okay with you, Mr. President?
	Check how others rank in the world, Mr. President.
	This is the result of the emblems collected so far, Mr. President.
	This is the kart driving game, Mr. President.
	Here are the events downloaded so far, Mr. President.
	Would you like to customise the main menu, Mr. President?
	Please make your selection carefully, Mr. President.
	Accessing the central computer, Mr. President.

World Rankings

Clip	Character	Transcript
	Default menu voice	World Ranking
	Sonic	Check out World Rankings!
	Tails	Compete with people around the world!
	Knuckles	Find out how you rank with those around the world!
	Shadow	World Rankings
	Rouge	There's only one number 1!
	Dr. Eggman	World conquest is your goal!
	Amy	See how you rank with your friends around the world!
	Omochao	You can compete with people around the world!
	Maria	You can see the rankings of people around the world!
	Secretary	Check how others rank in the world.
	Default menu voice	Access to the database.
	Sonic	Updating database.
	Tails	Connecting to the internet!
	Knuckles	Connecting to the database.
	Shadow	Update the database.
	Rouge	Accessing the server.
	Dr. Eggman	Updating the database!
	Amy
	Omochao
	Maria
	Secretary	Accessing the central computer.
	Sonic	Enter your ID and password.
	Tails
	Knuckles
	Shadow
	Rouge
	Dr. Eggman
	Amy
	Omochao
	Maria	Tell me your ID and password!
	Secretary	Please enter your ID and password.

Omochao

There were many lines said by Omochao that were made for the game, but were left unused.

Miscellaneous

Clip	Transcript	Notes
	Special attacks are awarded after collecting 20, 50 and 100 rings.	This line points to an earlier requirement for special attacks. The clip used in-game mentions the correct requirements of 20, 40 and 60 rings.
	When the health gauge at the top of the screen becomes zero, you die.	Referring to Tails and Eggman's Health Gauges. In the final version, the line correctly says that it is at the bottom of the screen.
	In certain places, you can perform action combos to score technique points	Explanation for Trick Actions.
	Press A button while in midair to glide. But you already knew that	Explanation for Gliding.
	Try the screw kick technique. Full circle on the analog thumb pad, plus B button	Explanation for Rouge's Screw Kick.
	Try the Magic Hand technique. It turns enemies into balls. Use these balls to defeat other enemies	Explanation for Sonic's Magic Gloves Level Up Item.
	The Sunglasses will allow you to see things you couldn't before. It may even help you locate the emeralds quicker	Explanation for Knuckles' Sunglasses Level Up Item.
	Did you get the Shovel Claw? In mid-jump press B button to dig into the ground	Explanation for Knuckles' Shovel Claw Level Up Item.
	Get the Hammer Gloves and use them to break open the steel containers	Explanation for Knuckles' Hammer Gloves Level Up Item.
	After picking up an item, hold B button to shake it	Explanation for picking up items.
	To bust a trick on the rail, press A button at the right time to perform cool tricks	Explanation for Grinding on Grind Rails.
	There are three Master Emeralds hidden in this stage. Use your radar and hints to find them all	Oddly, this line says "Master Emeralds" instead of "Emerald Shards".
	Let me tell you about Sonic and Shadow games	This line is used in-game, but not in the non-robotic voice used here.
	Let me tell you about Tails and Eggman games
	Let me tell you about Knuckles and Rouge games
	Hi, I'm Omochao! Let me be your guide! Select the category that you would like to explore.	There are no categories in the game where this line could appear.
	To visit the Chao Kindergarten, you have to go online. Make sure to ask your parents first! The Chao Kindergarten is so much fun!	Intended for the Chao Kindergarten, as it was originally going to be online exclusive.
	There is also the black market, where you can download a lot of surprises!	Intended for the Black Market, which was not present in the Dreamcast version of the game.
	You can download a new scenario of Chao Adventure from the library!	Intended for a planned downloadable scenario for Chao Adventure.
	A message for the Chao Kindergarten. Check the bulletin board!	At some point, players would have been able to access a different bulletin board system in the Chao Kindergarten.
	Visit the parks and classrooms to meet new friends from around the world!	The place of which this line speaks of is inaccessible in the final version.
	Did you know the doctor's mustache is fake?	In Lego Dimensions, this voice clip is referenced in the Sonic the Hedgehog Level Pack.
	I'll use my propeller to fly in space. Why is that?
	I wonder how Big is doing...
	Made in the U.S.A. for our fans!
	My allowance is all gone!
	Don't make fun of me!
	Am I annoying you?
	The Chao Kindergarten is so much fun! Omochao wants to go the Chao Kindergarten!
	Uh, oh! Your Chao has become a Dark Chao. I don't know what to do
	A new gate has opened
	Ow-owch! Chao doctor, help me!
	Omochao knows everything!
	Omochao wants to be Chao!

Stages

Clip	Transcript	Notes
	This is the lantern room. Aren't the blue flames pretty?	Intended for Aquatic Mine.
	This is the ghost. There are a lot of spirits here.
	Watch the enemy detector, which is next to the emerald radar! If the detector lights up, be careful!	Explains how Rouge's intended radar for the Egg Beetle would have worked in the Egg Quarters.
	Don't let go of the analog thumb pad while doing the loop-de-loop!	Intended for Metal Harbor.
	This is the bumpy planet.	Intended for Mad Space.
	This is the dimpled meteorite. Looks like you can't go up!	Intended for Meteor Herd, showcasing an earlier idea of having many different types of Meteorites.
	This is the huge meteorite. Beware of falling meteorites!
	This is the small meteorite. Watch for dangerous traps!
	This is the holy meteorite. If you fall in, you die.
	This is the cracked meteorite.
	This is the huge meteorite. Beware of falling meteorites!
	This is the meteorite with a huge wall.
	This is the tunnel meteorite.
	I sense an electrical disturbance here. The detector is not working right.	About the Hint Boxes in Mad Space.
	These ghosts sure like teasing you. Kinda scary though.
	Be careful of the Artificial Chaos' sting. It hurts!
	Be careful of the traps that are around here.	Intended for the second Shadow vs. Sonic fight.
	Attack Sonic when he is trapped and weakened.
	To avoid the missile, hide behind the wall.	Intended for the second battle between Tails and Eggman.
	Phew! That big truck scared me.	This line would go on to appear in City Escape in Sonic Adventure 2: Battle.
	Hmm... this looks like a game I've seen before.	This line would go on to appear in Crazy Gadget in Sonic Adventure 2: Battle. It is a reference to Tetris.
	This fog reminds me of San Francisco.	This line would go on to appear in White Jungle in Sonic Adventure 2: Battle.

In the Dreamcast version, it is not possible to clear a stage while holding Omochao, but in Sonic Adventure 2: Battle some stages have added Omochao by the Goal Ring. The player can pick him up and complete the level with him, resulting in these voice lines. These require the "moonjump" action replay code to complete the specified level. These lines, however, are found in both versions' game files.

Clip	Transcript	Stage
	What are you thinking, trying to finish this stage with me?	Wild Canyon
	All I can see is water. Where is my home?	Metal Harbor
	I gotta get outta here before the island blows up!	Green Forest
	Wow, that was scary. I'm going home to watch TV.	Pyramid Cave
	Where am I? Somebody help me.	Death Chamber
	How'd I get into outer space? Oh well.	Meteor Herd
	I feel dizzy.	Radical Highway
	I'm going to play with the turtle now!	Sonic or Shadow in Dry Lagoon
	Let me out of this safe!	Sonic or Shadow in Security Hall
	I can't believe you cleared the stage holding me!	Sonic or Shadow in some stages

Chao Doctor

In Sonic Adventure 2 the Chao Doctor in the Chao Kindergarten would have described the player's Chao with a variety of lines, which were removed in subsequent ports. Among these lines are those that describe the player character's relationship with the Chao. Surprisingly, when viewing the game's files, it can be seen that the Chao Doctor also has lines for Amy:

• "Looks like this Chao likes Amy a lot."
• "Looks like this Chao likes Amy."
• "Looks like this Chao wants to be friends with Amy."
• "Looks like this Chao does not like Amy."
• "Looks like this Chao hates Amy."

Unused continue music

File:Sa2b unused continue.ogg

The Continue music for Sonic Adventure was carried over to Sonic Adventure 2. However, due to the latter game not having the "Continue" system, the music was unused.

Unused missions texts

• File:SonicAdventure2 BasicTestTextures.png
• File:SonicAdventure2 KnucklesTestTextures.png
• File:SonicAdventure2 SonicTestTextures.png

Originally, there were three test levels known as "BASIC TEST", "KNUCKLES TEST", and "SONIC TEST." Although "BASIC TEST" would later be included in the GameCube version, all three levels are absent from the Dreamcast version. However, the mission text and some textures for the levels are still found in the game files:

BASIC TEST

• Level 0
  • 1st Mission: Make sure we debug this!
  • 2nd Mission: Find 100 bugs!
  • 3rd Mission: Find bugs that you could not find!
  • 4th Mission: Debugged in 2 minutes!
  • Last Mission: Try bug 0!

SONIC TEST

• Level 2
  • 1st Mission: This stage is cool!

KNUCKLES TEST

A Japanese hint for "KNUCKLES TEST" can be found in the game files. It contains the following string repeated five times:

• "このメッセージはテストナリよ。" (Kono messēji wa tesutonari yo., "このメッセージはテストナリよ。"^?) which, when translated, means "This message is for a test".

Intro

Unused Sonic Adventure 2: Battle intro

• One of the intro's textures in the Dreamcast version.

  One of the intro's textures in the Dreamcast version.

• One of the intro's textures in the GameCube version.

  One of the intro's textures in the GameCube version.

• One of the intro's textures in the Dreamcast version.

  One of the intro's textures in the Dreamcast version.

• One of the intro's textures in the GameCube version.

  One of the intro's textures in the GameCube version.

The files for the original intro event from the Dreamcast version of the game can be found unused in Sonic Adventure 2: Battle's event directory. The scene can be accessed from the Event Test in the debug menu, but it does not play.

Despite this, there seems to have been some work done on it prior to having been scrapped for the port's Radical Highway sequence. Accessing the textures for the scene reveals that they are slightly different to the ones used in the original game.

Missing effects

• Japanese glowing effect on the English logo.

  Japanese glowing effect on the English logo.

• Japanese glowing effect.

  Japanese glowing effect.

• Unused English glowing effect.

  Unused English glowing effect.

When the intro of the Sonic Adventure 2: Battle port ends, the logo of the port appears. This logo is portrayed in 3D and therefore, there are two versions of it - one using the Japanese logo and one using the English logo. However, due to an oversight, the video file that stores the special glowing effects for the English logo is left unused and the video file that stores the special effects for the Japanese logo is used for both the English and the Japanese logos. As a result, the glowing effect does not match with the English text of the logo.

In the Sonic Adventure 2 2012 re-release, this issue was fixed.

Unused menu themes

• File:SonicAdventure2 ShadowTheme.png
• File:SonicAdventure2 AmyTheme.png
• File:SonicAdventure2 MariaTheme.png
• File:SonicAdventure2 SecretaryTheme.png
• File:SonicAdventure2 ChaoTheme.png

Character menu themes for the game were originally meant to be downloaded online. However, the Shadow, Amy, Omochao, Maria, and Secretary themes were never made available, therefore making their audio and graphics unused. The themes are still available in Sonic Adventure 2: Battle, being unlockable in the game.

Unused text

Early level and boss list

In the game files, specifically located under "TEXT_E.prs", is an early level and boss list which lacks several stages from in the final game and features different boss names:

• The list contains several test stages for several characters.
• An unknown level/boss listed as "No Name".
• The Egg Golem is just named "Golem", and the Biolizard is named "The Biohazard".

Cannon's Core hint files

Inside of the game files of Cannon's Core, there exist hint files for both Knuckles and Rouge, however, their contents appear to be just copies of Wild Canyon and Dry Lagoon's Japanese hints.

Prototypes and demos

E3 2000 Trailer

• Sonic in Sky Rail

  Sonic in Sky Rail

• Sonic's darkend torso

  Sonic's darkend torso

• Sonic's first cutscene

  Sonic's first cutscene

• Sonic's second cutscene

  Sonic's second cutscene

• Judging by the first screenshots of the game, Sonic was going to be playable in Sky Rail.
• In early screenshots, the GUN Military Truck had a design different from the final version.

File:Truck003.jpg

Early GUN Military Truck.

• In the trailers of the game, Sonic is seen breathing heavily in Green Forest. For some reason his torso is heavily darkened.
• Sonic is seen talking in an unknown cutscene, this is the first time it is show off that Sonic has separate fingers along with his new mouth position. It also looks quite blurred and like a texture, unlike the final version.
• There is also a second cutscene where Sonic points at something. This camera is different in the final version, where he uses a similar animation to call out Shadow. The area where it is shot in is different from the boss battle area.
• Sand Ocean's music is changed between the alpha and final versions of the game.

File:GBA VMU.jpg

Early Transporter Machine.

• Early pictures showing that Sonic Adventure 2: Battle was going to work without a Chao Transporter Machine were distributed for a short while after the game was announced. From this version to the final there are a lot of cosmetic changes:
  • The Game Boy Advance in the prototype is red, and has the 'GAMEBOY ADVANCE' bootup screen plastered on the front. In the final game, the Game Boy Advance is white and has a parody of the bootup screen with "CHAO ADVENTURE" written on it.
  • Another cosmetic change was the color of the booth. The prototype is yellow with green, but the final is blue with orange.

Sonic Adventure 2: The Trial

主条目: Sonic Adventure 2: The Trial

File:Sa2thetrial.png

Title screen of Sonic Adventure 2: The Trial.

A trial version of Sonic Adventure 2 was released in late 2000/early 2001 with Phantasy Star Online for the Dreamcast as a bonus disc. The only playable stage is City Escape with a slightly different instrumental version of the song playing as the background music. In this version Sonic wears his traditional shoes instead of the Grind Shoes, and his shade of blue is lighter than in the final version of the game. The cutscene's subtitles and some of the sound effects are different as well. Some of the posters in City Escape are different and are promoting Phantasy Star Online.

Sonic Adventure 2: Preview

File:SA2Preview Title.png

Title screen of Sonic Adventure 2: Preview.

主条目: Sonic Adventure 2: Preview

Sonic Adventure 2: Preview is a prototype version of Sonic Adventure 2 that was sent to the press as a sneak preview, with the build date being 18 March 2001. One of the most notable differences from the final version is the menu screen, which allows the player to choose between the Hero or Dark side. Upon selecting a side, the player can choose to play with any of the side's corresponding characters. The Hero story has four stages available; with Sonic playing City Escape and Green Forest, Tails playing Prison Lane, and Knuckles in Wild Canyon. The Dark story only features three stages; with Shadow in Radical Highway, Eggman in Sand Ocean, and Rouge in Dry Lagoon.

Sonic Adventure 2: TRIAL Version

主条目: Sonic Adventure 2: TRIAL Version

File:SonicAdventure2Trialversion title.png

Title screen of Sonic Adventure 2: TRIAL Version.

Sonic Adventure 2: TRIAL Version is a prototype version of Sonic Adventure 2 that was given to certain stores in Japan to generate publicity. The only playable characters in the main stages are Sonic and Shadow, while also featuring a multiplayer option.

Due to its build date of 3 May 2001, there are few differences from the final game in this demo, as well as several changes made specifically for this version. These differences give some insight into the last month of the game's development.

Sonic Adventure 2: Battle demos

Space World demo

• Space World background

  Space World background

• Final background

  Final background

Pieces of the title screen from the version at the game's announcement at Space World 2001 can be found in the final version's game files, which are still using the original logo and featuring a subtitle. The background of this version differs from the final version in that the Hero characters are displayed on the right and the Dark characters on the left. The lost Chao are also in different locations. In addition, the floating orbs on the background are part of the background image itself rather than being separate graphical effects.

• Leftover select menu

  Leftover select menu

• Leftover number of players option

  Leftover number of players option

• Leftover coming soon banner

  Leftover coming soon banner

The coming soon banner and select menu from the Space World version are also present in the final version's game files. The select menu for the demo could give the player the option to play either Green Forest or City Escape in single player or multiplayer.

Tokyo Game Show

The leftover sprites from the Tokyo Game Show demo also exist in the final version's files. They are extremely similar to the ones of the Space World demo version, and the only difference between them is that a Japanese Sonic Adventure 2: Battle logo is shown in place of the original English Sonic Adventure 2 one.

Leftover graphics and renders

图册

Unused 2p Vs. Image Unused 2p Vs. Image Unused 2p Vs. Image Unused 2p Vs. Image Leftover graphics from the Trial version's select menu Leftover graphics from the Trial version's select menu Early menu graphics Early menu graphics More leftover buttons More leftover buttons Unused Controller Guide for the Dreamcast Unused Controller Guide for the Dreamcast Chao Library Render Chao Library Render Another Chao Library Render Another Chao Library Render Textures for the Black Market Textures for the Black Market Beta Title Beta Title World Ranking Leftovers World Ranking Leftovers Trial version's title screen leftover Trial version's title screen leftover More Leftovers More Leftovers The Chao Kindergarten was originally supposed to be a selection screen rather than a Hub world The Chao Kindergarten was originally supposed to be a selection screen rather than a Hub world Leftover banner from The Trial Leftover banner from The Trial File:Sa2library1.png File:Sa2worldranking5.png File:Sa2worldranking2.png Artwork of Sonic wearing his regular shoes

External links

• Sonic Adventure 2 (Dreamcast) on The Cutting Room Floor
• Sonic Adventure 2: Battle on The Cutting Room Floor

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