Sonic Adventure 2: Battle GameCube Unlockables

Alternate costume

Get A rank on all of the missions on all the levels of a character's stage to unlock their alternate costume in 2 player mode.

• Get A ranks on every mission of Rouge's stages
  Rouge's alternate costume in 2P
• Get A ranks on every mission of Knuckles' stage
  Knuckles' alternate costume in 2P
• Get A ranks on every mission of Sonic's stage
  Sonic's alternate costume in 2P
• Get A ranks on every mission of Shadow's stage
  Shadow's alternate costume in 2P
• Get A ranks on every mission of Tails' stage
  Tails' alternate costume in 2P
• Get A ranks on every mission of Eggman's stage
  Eggman's alternate costume in 2P

Unlockable Items

• Win all 3 levels of the Block Cannyon Race
  Rattle
• Win all 3 levels of the Crab Pool race
  Shovel
• Win all 3 levels of the Stump Valley race
  Watering Can
• Win all 3 levels of the Mushroom Forest race
  Car
• Win all 5 levels of the Topaz race
  Broom
• Win all 5 levels of the Aquamarine race
  Sonic Cudly Toy
• Win all 5 levels of the Perridot race
  Picture Book
• Win all 5 levels of the Garnet race
  Pogo Stick
• Win all 5 levels of the Onyx race
  Pencil Case
• Win all 5 levels of the Dimond race
  Note in a bottle
• Win the first 2 levels of the Dark race
  Ball for Dark Garden
• Win the first 2 levels of the Hero race
  Ball for Hero Garden
• Win the first 4 levels of the Challenge race
  Ball for Normal Garden
• Win all 4 Dark Races
  Radio for Dark Garden
• Win all 4 Hero Races
  Rocking Horse for Hero Garden
• Win the first 8 challenge races
  Jack in the Box for Normal Garden
• Win all 12 Challenge Races
  Chao TV

Unlockables

Follow the methods below to obtain the desired unlockable:

• Complete every mission for each character (ranking does not matter) and you'll unlock the new kart for them. Simply highlight their picture on the select screen and press Up
  More Karts
• Complete all 4 of the original races and get the emblem. The Jewel races will be unlocked.
  Jewel races
• In the Hero Side story complete the Tails driving quest and then in Dark Side story successfully finish the Rouge chase mission. You will now have a playable kart racing game to play.
  Kart Racing Game
• Simply complete both Route 101 (Hero) and Route 280 (Dark) and Kart Race in 2P Battle with become avaible.
  2P Kart Race
• Complete every mission as a character with A ranking on every one of them (extremely difficult) and that character will obtain a new costume to use in 2P Battles.
  New 2P Costumes
• Complete either the Hero or the Dark side story modes. Here you will be able to fight each boss from either the Hero or the Dark side
  Boss Attack Mode
• Get all 180 Emblems and unlock the 3D version of Green Hill Zone from Sonic The Hedgehog 1.
  Green Hill Zone
• Beat the story.
  Scene Select.
• In order to play the actual last and final stage of this game, then finish both Hero and Dark side story games. Once this is done, go into story mode and a ''Last Stage?'' menu selection should appear between the Hero and the Dark Side selections
  Last Stage
• Complete all three of the original difficulties in Chao Karate using the same Chao and that Chao (and that Chao only) will now have access to a Super level
  Super Level on Chao Karate
• Win at least one race from Aquamarine, Garnet, Peridot, and Topaz Chao Races to unlock them.
  Diamond & Onyx Chao Races
• Win all 3 Crab Pool races
  Shovel Chao Toy
• Win all 3 Stump Valley races
  Watering Can Chao Toy
• Win all 3 Mushroom Forest races
  Toy Car Chao Toy
• Win all 3 Block Canyon races
  Rattle Chao Toy
• Raise a Hero Chao with one of the three Hero characters. Continually feed and train your Hero Chao and it should evolve (creates a tear-shaped ''cocoon''). Once it evolves, ascending stairs should appear at the main Chao lobby leading to the Hero Garden.
  Hero Chao Garden
• Raise a Dark Chao with one of the three ''Dark'' characters. Continually feed and train your Dark Chao and soon it will evolve (creates a tear-shaped ''cocoon''). Once it evolves, the descending stairs should appear at the main Chao lobby
  Dark Chao Garden
• When you are on the Theme Select screen, rotate the Control Stick Clockwise for a while until you hear a chime-like sound. You should be able to select the Secretary Theme.
  Hidden Secretary Theme
• Beat Final Rush or Final Chase in the Hero or dark side and a level 4 game should apper in 2-player mode
  Level 4 2-player games