Miles 'Tails' Prower (Bronze)
Objective: Become friends with Tails.
Knuckles the Echidna (Bronze)
Objective: Become friends with Knuckles.
Amy Rose (Bronze)
Objective: Become friends with Amy.
E-102 'y' (Bronze)
Objective: Become friends with E-102.
Big the Cat (Bronze)
Objective: Become friends with Big.
Sonic the Hedgehog (Bronze)
Objective: Clear the Sonic story.
Super Sonic (Bronze)
Objective: Clear all characters stories.
The Fastest & Strongest (Silver)
Objective: Get Level A on all the Action Stages.
Sub Game Master (Silver)
Objective: Get all Emblems of the Sub Games.
Chao's Best Friend (Silver)
Objective: Get all Emblems of the Chao Race.
The Adventurer (Silver)
Objective: Get all Emblems in the Adventure Field.
The Perfect Adventurer (Gold)
Objective: Get 130 Emblems.
DLC: Sonic Adventure DX
Metal Sonic (Bronze)
Objective: Get all 130 Emblems by playing Sonic Adventure DX.
Metal Sonic Master (Silver)
Objective: Get Level A on all the Action Stages by using Metal Sonic.
Mission All Accomplished (Gold)
Objective: Clear all 60 missions.
