Completion bonuses
Get a 100% completion for Sonic, Shadow, or Silver's episode to unlock the Audio and Theater room under the
Extras menu.
Last episode
Successfully complete Sonic, Shadow, and Silver's episode to unlock the Last episode.
Free mode
Get an "S" rank on all of Sonic, Shadow, and Silver's levels, Bosses, and town missions to unlock Free mode.
Play as Shadow The Hedgehog
Successfully complete Crisis City with Sonic to unlock Shadow's episode.
Play as Silver The Hedgehog
Successfully complete the Silver The Hedgehog Boss battle with Sonic to unlock Silver's episode.
Free mode characters
Successfully complete the indicated task to unlock the corresponding character in Free mode:
Amy Rose: Successfully complete all Soleana mystery missions with an "S" rank.
Blaze the Cat: Successfully complete all Soleana mystery missions.
E-123 Omega: Successfully complete all GUN Commander missions with an "S" rank.
Knuckles the Echidna: Successfully complete all Town Stage missions with an "S" rank.
Miles "Tails" Prower: Successfully complete all Town Stage missions.
Rouge the Bat: Successfully complete all GUN Commander missions.
Audio Room music
Successfully complete the indicated episode with a 100% rank to unlock the corresponding theme in the Audio
Room:
Elise's Theme: The Last Episode
Shadow's Theme (All Hail Shadow): Shadow's Episode
Silver's Theme (Dreams of An Absolution): Silver's Episode
Sonic's Theme (His World): Sonic's Episode
Very fast Sonic
In Multiplayer mode in any level or match, equip the Red Gem on Sonic, activate it and hold it, then die.
While still holding the activation button, wait until you respawn. When you respawn, deactivate the gem. You
will now run much faster than normal and the time will automatically be slow.
Longer jumps with Silver
Jump with Silver by pressing A, then press A again while in mid-air. This makes Silver float around. When
floating in mid-air, tap A while moving in any direction instead of holding the button down to make Silver
jump further.
Infinite jump
There is a glitch in the purple gem you can purchase at the market. The purple gem allows you to "change size"
in the description, shrinking you down to fit in small areas. However, when using the gem for Sonic you can
jump an unlimited amount of times. When you press Jump while holding Activate Gem and repeatedly tap A, your
character will act as if he wants to do the homing attack. However, the game will glitch, cancel it out, and
allow you to jump as many times as desired while moving in the direction you wish to go. This allows you to
get to interesting parts of Soleena or an action stage that you were not meant to access. If you die or find a
alternate way to lose the gem, it may be "out of stock" for some time.
Mini Sonic
Select Multiplayer mode and choose Battle mode. Select Sonic and Silver and go to any level. Get to the first
checkpoint and have Sonic fall and appear at the checkpoint; however, do not move him. Then, make Silver fall
and appear at the checkpoint. Just when Silver appears, freeze Sonic (RT). When he is frozen he appears very
small.
Get Blaze in barrel
Select Sliver from the episode selection menu. Note: This works better if you have completed Sliver's
episode. Walk to the part of the pier from where as Tails or Sonic you travel to Wave Ocean. Next to the
building should be a barrel with no cover. If desired, go inside. This makes it easier to get Blaze in. After
a few attempts of spinning in circles, Blaze should come in. If you are near the edge of the barrel, use
Psychokinesis and you should see Silver's head pop out of the barrel. If you have a lot of patience, you can
get Blaze to be in the barrel and Sliver on top after fooling around with it.
Sideways jump
Select Sonic from the episode selection menu. Note: This works better if you have completed Sonic's
episode. Go to the building that is part of the Desert Stage (not the place where the Transportation Mirror is
located). On the opposite side of the mirror, there should be a wall. Use the "Sliding" technique to get under
the wall. While Sonic is landing on the roof, Sonic should do a sideways spin instead of a normal one.
Note: This may not work every time.
Go outside boundaries when fighting Silver
Play as Sonic in Story or Trial mode. Select the Silver Boss battle and get as many rings as possible
(fifteen). Then, go to the alley in the corner. Try to get as far into the corner as possible. When Silver
uses his levitation technique, try to get back in the corner. Silver will try to use the levitation technique
again. The rings will be behind you. When you hit the wall, try to collect your rings. You should then go
outside the level's boundary. You will be able to walk on invisible bridges and hit other invisible things.
Silver might also get out of the level boundary and throw you out of Soleona and you will keep flying forever.
Defeating big enemies faster
When facing an enemy that requires more than one hit, use your Homing Attack on it then use your Bounce
Attack. Note: You must first have the Bounce Bracelet.
Defeating Silver
When you fight Silver with Sonic, first do a slide move into him as he is falling from the sky. Then, collect
a ring and run around until you hear "How bout this?", then do a homing attack on him. Run away again until
you hear "How bout this?" again. then do a homing attack again. Repeat this until he is defeated.
Defeating Solaris
First, use Silver to weaken him until his first arm guard falls off. Then, switch to Shadow and hit him with
the beams until his second arm guard falls off. Next, use Sonic to defeat the rest of his first form. Finally,
use all three to survive the blows of lasers, and continuously attack.
Achievements
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Sonic Episode - Cleared (30 points): Clear Sonic Episode.
Shadow Episode - Cleared (30 points): Clear Shadow Episode.
Silver Episode - Cleared (30 points): Clear Silver Episode.
One To Reach The End (20 points): End the last hidden story.
Sonic Episode - Completed (40 points): Clear unlocked Sonic difficult level mission.
Shadow Episode - Completed (40 points): Clear unlocked Shadow difficult level mission.
Silver Episode - Completed (40 points): Clear unlocked Silver difficult level mission.
Shadow Episode - Mastered (60 points): Clear all unlocked Shadow ACT Missions with Rank S.
Sonic Episode - Mastered (60 points): Clear all unlocked Sonic ACT Missions with Rank S.
Silver Episode - Mastered (60 points): Clear all unlocked Silver ACT Missions with Rank S.
Nights of Kronos (60 points): Unlock the complete ending to the last hidden story.
Legend of Soleanna (100 points): Overcome all trials and accomplish a great feat.
Silver Medalist (50 points): Collect all the Silver Medals scattered around Soleanna...
Gold Medalist: (50 points): Collect all the Soleanna legendary Gold Medals...
Blue Phantom (20 points): Super Sonic Obtain the all moves.
Ultimate Life Form (20 points): Resurrect the ultimate power from the lost memory.
Psychic Soldier (20 points): Obtain all the power to save the future world.
Soleanna's Hero (40 points): Solve all Soleannans' problems.
Elite Agent (40 points): Complete all the tasks given as agent.
Silver The Liberator (40 points): Solve all the mystery in Soleanna.
Soleanna's blue wind (50 points): Solve all the problems swiftly.
Dark Hero (50 points): Meet all the requests with magnificent skill.
Silver The Savior (50 points): Reveal all the secrets with your ultimate power.
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Cheats
