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Sonic Adventure/Hidden content

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Revision as of 21:56, 22 March 2012 by Hivebrain (talk | contribs) (Text replace - "Category:Game Secrets" to "Category:Game secrets")

Lost Graphics

Artwork Name Description
Time Stopper Item This may have been a time-stopping item with a similar effect to Chaos Control. It also could have been related to E-102's levels in some way, which were based around a countdown timer.
Al icon04z.png Al icon07z.png Al icon08z.png Al icon09z.png Lost Chao Emoticons These would have appeared over the Chao's head but do not appear in normal gameplay. Found in AL_ICON.PRS.
ST 128S HPGEJI.png
Tornado Life Gauge Graphics The red "Tornado" life gauge is used in Sky Chase Act 1 and Sky Chase Act 2. However, when Tails transforms the Tornado into the Tornado 2, it still uses the same life gauge. This blue "Tornado2" gauge is never used. Found in ST_128S_HPGEJI.PVR.
Sajamspring.png
Sonic Jam spring model This spring model is never used in the game, but looks like the one from Sonic Jam's Sonic World.

E-105 is built of Dreamcasts

E105.png

Some textures used for E-105 are actually Dreamcasts.

Removed Cowgirl Billboard

Cowgirl.pngO COWGIRL.png

For unknown reasons, a cowgirl billboard from Casinopolis that was present in the first version of Sonic Adventure in Japan was removed from other releases. This includes the Japanese re-release called Sonic Adventure International. It may have been removed due to it being rather provocative.

Beta Title Screen

Beta title0.png

A prototype Title screen was found inside the disc. Found in TITLE.PRS.

Old Character Select Screen

Six images were found in the game that appear to be a old character select screen. ("Choose Your Buddy" as seen in these pictures is the name of the song on the soundtrack that plays on the character selection screen.) Found in C_SELECT1.PRS and C_SELECT2.PRS.

Beta Loading Screen

Loading822a.png

A prototype loading screen was found inside the disc. Found in LOADING.PRS.

Sky Chase Dragon

SAdragonmodel.pngSAdragon.pngDCdragon.png

In Sonic Adventure DX: Director's Cut (preview), the object for the unused two-headed Sky Chase Dragon boss was found by evilhamwizard.[1] Later on, Polygon Jim was able to load it up in the Dreamcast version. The model viewer used to find him has all the polygons stacked together in one place so it doesn't look right. The first image shows what was found, the second image shows how he should look when properly assembled, textured, and colored, and the third image shows how he looks in game in the Dreamcast version, placed by hacking the game's SET files. This dragon also exists in the PC version of Sonic Adventure DX (confirmed by MainMemory), and likely in the GameCube version as well.

Final Egg Hidden Room

SAFinalEggHiddenDoor.jpg

A small hidden corridor can be accessed behind the door pictured in the above image. To reach it, the player needs to start a Spin Dash on the edge of the bridge facing it. At the bottom of the corridor the camera stops, so the player has to rely on the first person camera to look at the surrounding environment. At the end is a dead end where the player cannot return.

Hidden Casinopolis Corridor

SAHiddenCasinopolis.jpg

In the ceiling above this area and behind the striped object, Tails can fly to a unused corridor. When flying out, a strip of land will become visible. When Tails lands on it, he will go through the ceiling. This hidden part of the level seems to be fairly complete as there are monitors and rings.

Real Sonic

Sa1protobluehedgehogad.png

This was most likely a joke image. It is found within the disc, but is not accessible normally.

Tokyo Game Show - How-to-Play

Within most versions of Sonic Adventure remain How-to-Play pictures from the TGS version of the game. There are no English versions of these files.

Unused voice Clips

Through digging, several unused Tikal voice clips were found inside the game.

There are also several clips that can be found that discuss the Chao Gardens, some of which include information inconsistent with how the final game works ("Don't put more than six Chao in a garden" and its variations, for example.)

Removed Levels

MainMemory discovered
Sonic Retro
a Japanese level list
in the PC version of the game, and later in the Dreamcast version as well. This list contains names for three levels that do not exist in the final version: "Mushrooms" (きのこ), "Jungle" (ジャングル) and "Desert" (砂漠).


Sonic Adventure / Sonic Adventure DX: Director's Cut
Sonic Adventure title.png

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