CheatCodes.com has all the official Sonic the Hedgehog PS3 cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Wednesday June 19, 2013 for Sonic the Hedgehog are shown below. We also have this game on Xbox 360, PlayStation 3, and sometimes tricks from other game systems will also work on PlayStation 3.
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.
First play as sonic and pick any level. Look for an electric fence. Run and hold square then let go of square and sonic should start to slide under the fence this will work on some levels only.
On 2 players at kingdom valley when you start off, turn around and go behind the tree. There will be an open edge - jump off and you will land on the part where you have to hit the poll to grind.
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.
When facing an enemy that requires more than one hit, use your Homing Attack on it then use your Bounce Attack. Also you must first have the Bounce Bracelet.
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.
Successfully complete Crisis City with Sonic to unlock Shadow's episode.
Successfully complete Sonic, Shadow, and Silver's episode to unlock the Last episode.
Get an "S" rank on all of Sonic, Shadow, and Silver's levels, Bosses, and town missions to unlock Free mode.
Get a 100% completion for Sonic, Shadow, or Silver's episode to unlock the Audio and Theater room under the Extras menu.
Defeat silver with Sonic and you will see a sign on the bottom of the screen.
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