Character upgrades
A compact checklist of permanent equipment for the six story characters.
Sonic Adventure 2: Battle for Nintendo GameCube. First released in Japan in 2001 and internationally in 2002. Dreamcast and later port differences are outside this guide.
Sonic
Light Shoes · Ancient Light · Bounce Bracelet · Flame Ring · Mystic Melody · Magic Gloves.
Shadow
Air Shoes · Ancient Light · Flame Ring · Mystic Melody.
Tails
Booster · Bazooka · Laser Blaster · Mystic Melody.
Dr. Eggman
Jet Engine · Large Cannon · Laser Blaster · Protection Armor · Mystic Melody.
Knuckles
Shovel Claws · Hammer Gloves · Air Necklace · Sunglasses · Mystic Melody.
Rouge
Pick Nails · Iron Boots · Treasure Scope · Mystic Melody.
Progression and exploration
Some upgrades open the route forward; others reveal optional paths or help with later missions. Mystic Melody interacts with ancient shrines. This is an equipment checklist rather than a location walkthrough.
Learn the route on a first pass, then return for collectibles and better ranks.