Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.
Ultimate Life Form (20 gamerscore points):
Resurrect the ultimate power from the lost memory.
Sonic Episode - Mastered (60 gamerscore points):
Clear all unlocked Sonic ACT Missions with Rank S.
Sonic Episode - Completed (40 gamerscore points):
Clear unlocked Sonic difficult level mission.
Sonic Episode - Cleared (30 gamerscore points):
Clear Sonic Episode.
Soleanna's Hero (40 gamerscore points):
Solve all Soleannans' problems.
Soleanna's blue wind (50 gamerscore points):
Solve all the problems swiftly.
Silver The Savior (50 gamerscore points):
Reveal all the secrets with your ultimate power.
Silver The Liberator (40 gamerscore points):
Solve all the mystery in Soleanna.
Silver Medalist (50 gamerscore points):
Pick up all the Silver Medals scattered around Soleanna.
Silver Episode - Mastered (60 gamerscore points):
Complete all unlocked Silver ACT Missions and reach "S" rating.
Silver Episode - Completed (40 gamerscore points):
Complete unlocked Silver difficult level mission.
Silver Episode - Cleared (30 gamerscore points):
Complete Silver Episode.
Shadow Episode - Mastered (60 gamerscore points):
Complete all unlocked Shadow ACT Missions and reach "S" rating.
Shadow Episode - Completed (40 gamerscore points):
Complete unlocked Shadow difficult level mission.
Shadow Episode - Cleared (30 gamerscore points):
Complete Shadow Episode.
Psychic Soldier (20 gamerscore points):
Get all the power to save the future world.
One To Reach The End (20 gamerscore points):
End the last secret story.
Nights of Kronos (60 gamerscore points):
Unlock the complete ending to the last secret story.
Legend of Soleanna (100 gamerscore points):
Overcome all trials and accomplish a great feat.
Gold Medalist: (50 gamerscore points):
Pick up all the Soleanna legendary Gold Medals.
Elite Agent (40 gamerscore points):
Complete all the tasks given as agent.
Dark Hero (50 gamerscore points):
Awardet after met all the requests with magnificent skill.
Blue Phantom (20 gamerscore points):
Super Sonic Obtain the all moves.
Unlock Shadow The Hedgehog:
Complete Crisis City as Sonic to play as Shadow The Hedgehog.
Unlock Silver The Hedgehog:
Win the Silver The Hedgehog Boss battle as Sonic to play as Silver
The Hedgehog.
Unlock Extras option in the main menu:
Finish Sonic, Shadow, or Silver's Story mode 100% to unlock the "Extras"
option. This new option contain two sub menu, the "Audio Room" and
"Theater Room" options.
Last Episode:
Finish Sonic's Episode, Silver's Episode, and Shadow's Episode.
Unlock Audio Room musics:
Unlock Sonic's Theme in the Audio Room(His World):
Finish Sonic's Episode and reach 100% rank
Unlock Silver's Theme in the Audio Room (Dreams of An Absolution):
Finish Silver's Episode and reach 100% rank
Unlock Shadow's Theme in the Audio Room (All Hail Shadow):
Finish Shadow's Episode and reach 100% rank
Unlock Elise's Theme in the Audio Room:
Finish The Last Episode and reach 100% rank
Unlock free mode:
Complete Sonic's, Shadow's, and Silver's levels, Bosses, and town
missions and reach "S" rank on all them.
Unlockable characters in Free mode:
Unlock Rouge the Bat in Free mode:
Finish all GUN Commander missions.
Unlock Miles "Tails" Prower in Free mode:
Finish all Town Stage missions.
Unlock Knuckles the Echidna in Free mode:
Finish all Town Stage missions with an "S" rank.
Unlock E-123 Omega in Free mode:
Finish all GUN Commander missions with an "S" rank.
Unlock Blaze the Cat in Free mode:
Finish all Soleana mystery missions.
Unlock Amy Rose in Free mode:
Finish all Soleana mystery missions with an "S" rank.
