Cheat Codes:Sonic Adventure

Cheat Codes

These are cheat codes for Sonic Adventure which can be accessed by inputting button sequences or by various other methods.

Infinite Health: Place a Chao in the VMU and change its name to 1234567.
Chao puzzle: Have three controllers plugged in and the third one should have a memory card in it. In adventure mode press Start on the third controller. The 15 level Chao Puzzle minigame will be playable on the VMU on the third controller.
Clean Pause (any mode): Pause the game and hold X + Y to clear the game of the pause screen.

Play Emerald Course in chao race: Beat the rest of the four courses. Don't delete your your chao data or else you will have to do them again.

Amy: Talk to her in the Casino as Sonic after finishing Sky Chase.
Big: Defeat Chaos 6 as Sonic.
E-102 Gamma: Defeat Gamma after finishing Sky Deck as Sonic or Tails. An alternate way to unlock him is to finish Twinkle Park as Amy and watch the FMAs after it.
Knuckles: Defeat him after finishing Ice cap as Sonic or Tails.
Miles Tails Prower: Finish the C mission of Emerald Coast action stage as Sonic.
Super Sonic: Finish the game as Sonic, Tails, Knuckles, Amy, Big and E-102 Gamma. Super Sonic will be avaliable only in Adventure Mode.
Super Sonic: Complete the game with every character.

Ancient Light (Sonic): On top of a rock on Angel Island.
Booster (E-102): In the Weapon's Armory on the Egg Carrier.
Crystal Ring (Sonic): Walk up the steps in the hotel, press the two buttons and use light speed dash.
Fighting Gloves (Knuckles): On a ledge over Big's house.
Jet Anklet (Tails): In a hole in the ceiling in the sewer behind

Twinkle Park.

Laser Blaster (E-102): In the Restricted room on the Egg Carrier after it crashes.
Life Belt (Big): In the entrance to Icecap.
Light Speed Shoes (Sonic): Find it in the sewer (not the one behind Twinkle Park).
Long Hammer (Amy): Beat your own high score on Hedgehog Hammer after the Egg Carrier crashes.
Long Rod (Big): Under the bed at Big's hut.
Lure Upgrade 1 (Big): In the sewer behind Twinkle Park.
Lure Upgrade 2 (Big): Under an sheet of ice in IceCap.
Lure Upgrade 3 (Big): In a cave in the forest.
Lure Upgrade 4 (Big): In one of the jail cells on the Egg Carrier.
Rhythm Badge (Tails): In the flashback with Tikal.
Shovel Claw (Knuckles): In the tunnel inside the tunnel where you find the cart to the Mystic Ruins Chao Garden.
Warrior Feather (Amy): Beat Eggman's high-score on Hedgehog Hammer.