SONIC ADVENTURE UNLOCKABLES
Unlock Super Sonic
Finish the game using all six starting characters to unlock Super Sonic. Sonic will transform into Super Sonic after some time into the next game. Jump over the train in Station Square as Sonic or Tails. You will find him on the other side.
Bonus NiGHTS area
Drop in the top hole while playing in the pinball section of the casino level to reach another pinball machine. Place the ball into the middle hole to fly through a warp and reach an area based on NiGHTS.
Unlock Tails
Controller two may be used for Tails after he is obtained while playing the game in story mode. REMEMBER: Shields, invincibility and extra life boxes have no effect on Tails if collected. REMEMBER: If Tails goes too far away from Sonic, he will appear next to Sonic.
Unlock E-102 Gamma
Although E-102 Gamma explodes at the end of his adventure, it is possible to get him back. Finish his adventure, then reset the game and go back to his adventure after it is saved. You can Unlock E-102 all you want . However, it is always night except for on the Egg Carrier and in certain levels.
Full pause screen
Pause your game, then press Y + X.
Hidden Puzzle VMU Game
Connect a controller with a VMU in its first slot to port D before turning on your Dreamcast with Sonic Adventure in the drive. You will be able to play a hidden VMU game called Chao Puzzle on that controller when you start a game.
Alternate Twinkle Park Race views
Press Up during the Twinkle Park Race level to change views.
Alternate snowboards
Press X immediately before entering the snowboarding portion of the game to get a blue snowboard or B for a yellow snowboard.
Faster snowboarding
When snowboarding, press or hold B or X to duck and go faster.
Hidden artwork
Put the game disc in a PC compatible CD-ROM drive to find additional images from the game in the "extras" directory.
Clone characters
Play through the game (with all the characters) until Super Sonic is unlocked. In Super Sonic's Adventure, go to the crashed island. You will see Knuckles and Eggman (Robotnik). After the FMV sequence, press A + B + X + Y + Start. Then, choose Knuckles. Return to the same place to find two Knuckles.
Super Sonic Chao
Raise a Golden Chao and give him all the animals to make the Chao look like Sonic. The Chao should look like a Golden Sonic, which is Super Sonic. To make him like a real Super Sonic, raise all of his stats to 999.
Silver Chao egg
Go to the Mystic Ruins. Go to the water fall located in the middle of the Adventure Field. Push the stone that is jutting out of the wall to the right of the water fall. A silver egg will fall from behind the waterfall and float to shore. When it hatches, a silver Chao will be born.
Golden Chao egg
Go to the Station Square area. Then, go to the area when you fought Chaos for the first time. Look to the side of the City Hall entrance to find egg shaped rock. Take the rock to the building to the left from City Hall. Walk to the window to see a golden Chao egg. However, if you try to take it the front door will lock. Replace the egg with the rock and the door will unlock, allowing you to leave with the egg. When the egg hatches you will have a golden Chao.
Black and blue Chao egg
Go to the Egg Carrier. Then, go the jail area where Amy was kept. In the cell next to where she was held is a black and blue egg. Step on the switch to open the door. Take the egg to the garden. When it hatches, it will be a dark grey and dark blue Chao.
Iron Chao
Your Chao must first be evolved. Mate a Gold and a Black Chao and hatch it. Only one out of three eggs will be iron.
Bronze Chao
Your Chao must first be evolved. Mate a silver and black Chao and hatch it. Only one ne out of three eggs will be bronze.
Ruby Chao
Mate a Dark and Hero Chao. It might take a while, but it will eventually appear.
Special Chao
Collect at least 100 emblems to get access to a special section called the Black Market on the Dreamcast Network. A Special Chao can be downloaded from this area.
Finding Emeralds quickly
Emeralds are always in the same place when you go treasure hunting. Learn where the emerald shards are and you will find them very quickly for the third mission.
Copy Chao
Place the VMU with the Chao in socket 1 and the destination VMU in socket 2. Enter the Chao Garden, then leave the Chao Garden. After the "Now Saving" message, look at the data on the VMU. If done correctly, it will have Chao data. REMEMBER: The VMU will not have the Chao Game on it. This can be fixed by taking your copied chao out of the VMU, and putting it in the Chao Garden. Then, put the Chao back in your VMU.
Unlimited Chaos
Get the Silver Egg, the Gold Egg, and the Black Egg. Then, go to the Chao Garden. It will save while you are going in. After you are in, put down the Chao then quit. Then go back into the game and go to the same place that you got that Chao Another egg should be sitting there. Repeat this as many times as needed.
Super Chaos
There are four special evolutions possible for the little Chao creatures: the Sonic, NiGHTS, Alien, and the Dragon. After giving a normal Chao so many certain colored animals it will evolve into one of these. After the first evolution, keep giving it more of the same colored animals. Its new features will continue to grow. If you give it different colored animals, they will shrink.
Sonic
30 emblems to collect in Sonic's Action Stages.
Tails
15 emblems to collect in Tail's Action Stages.
Knuckles
15 emblems to collect in Knuckles Action Stages.
Amy
9 emblems to collect in Amy's Action Stages.
Big the Cat
12 emblems to collect in Big's Action Stages.
E-102 Gamma
15 emblems to collect in E-102's Action Stages.
Adventure Field
12 emblems to find in Adventure Field.
Mini Games
10 emblems to collect in Mini Games.
Chao Races
5 emblems to collect in Chao Races.
Finish the game with all six characters to get 6 emblems.
This brings the total number of emblems that are collectible in the game to 130, including the final one awarded for collecting all of the others.