Miles "Tails" Prower
Not unlocked yetBecome friends with Tails.
Knuckles the Echidna
Not unlocked yetBecome friends with Knuckles.
The Adventurer
Not unlocked yetGet all Emblems in the Adventure Field.
The Perfect Adventurer
Not unlocked yetGet all 130 Emblems.
Metal Sonic
Not unlocked yetGet all 130 Emblems by playing Sonic Adventure DX.
Metal Sonic Master
Not unlocked yetGet Level A on all the Action Stages by using Metal Sonic.
Mission All Accomplished
Not unlocked yetClear all 60 missions.
Amy Rose
Not unlocked yetBecome friends with Amy.
E-102 "γ"
Not unlocked yetBecome friends with E-102.
Big the Cat
Not unlocked yetBecome friends with Big.
Sonic the Hedgehog
Not unlocked yetClear the Sonic story.
Super Sonic
Not unlocked yetClear all characters stories.
The Fastest & Strongest
Not unlocked yetGet Level A on all the Action Stages.
Sub Game Master
Not unlocked yetGet all Emblems of the Sub Games.
Chao's Best Friend
Not unlocked yetGet all Emblems of the Chao Race.