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Browse Sonic the Hedgehog Cheats

Confused Demo

Unlock Nintendo DS
While the demo is playing, hold A + B + C. Sonic will get confused, lose his place, and possibly die.

Get All Emeralds

Unlock Wii
This cheat allows you to start at the First Level with all the Emeralds, and with lots of Continues. Use the Level Select cheat (see above) to get to the Special Zone. When you get the Emerald, and have entered into the First Zone, press Reset. Use the Level Select cheat to get to the Special Zone again. When you get the next Emerald, and have entered the First Zone, press Reset again. When you have all the Emeralds, continue on with the first level. You get to keep the Emeralds and the Continues accumulated so far.

Marble Zone Shortcut

Unlock Xbox 360
In Marble Zone act 3 you will find three chandeliers with spikes in them. Go to the far wall (on the right) and jump to the right to find some goodies. Now jump through the wall on the right again, but be careful of the other chandelier.

Scrap Brain Teleport

Unlock Nintendo DS
On the last level (Scrap Brain), find the ledges that move right then left. Go to the left side of the wall and wait for the platform to move. As soon as it starts to move left, duck. You'll go through the wall. While here, press Left to teleport right and Right to teleport to the left.

Hint: Vibrating Sonic

Unlock Nintendo DS
Enable the "Debug mode" code. Create a stone on a connecting bridge. Then, jump on the stone where the bridge starts. Press Down to have Sonic vibrate.

All Levels

Unlock Nintendo DS
At the main title screen press Up, Down, Left, Right A, after you have pressed the A button you should hear a sound, like the one when you collect a ring then press A and start together.

Debug Mode

Unlock Nintendo DS
Press Up, C, Down, C, Left, C, Right, C, Start, then hold A at the title screen. Continue to hold A until game play begins. Screen coordinates will appear instead of a score and the number of objects displayed will appear instead of the time remaining. Use one of the following controller actions to enable the corresponding debug code. Note: This code may only be enabled on the first version of the game. Object transformation Press B during game play to change Sonic into a game object. Press A to change into a new object. Press C to place an object on the screen. Press B again to revert back to Sonic. Note: The type of object that may be selectable will vary from level to level. Invincibility Sonic is, by default, invincible in debug mode. Slow motion Pause game play and hold B. Restart Pause game play and press A. Frame advance Pause game play and press C. Crazy Sonic: Hold A + B + C during demonstration mode for force Sonic to run into objects and act strangely. Note: This may also be done during the ending sequence after completing the Final Zone.

Control Mode

Unlock Playstation 2
At the title screen, press Up, C, Down, C, Left, C, Right. While playing, you can pause the game and use A to restart, B for slow motion, and C for frame advance.

Extra Lives

Unlock Xbox 360
In Green Hill Zone - Act 3, there is a 1-Up at the very bottom of the level. Collect it along with enough rings to make 100 for a second life. Next, grab the 1-Up at the top of the loop-de-loop and die. Repeat until you have enough lives.

Extra Life

Unlock Wii
At the end of any level, if you have less than 50 rings and therefore cannot get to the bonus level, run through the turnstile and then stop and jump straight into the air. If the turnstile is off the screen when is stops spinning, when you come down it should show a picture of Sonic and therefore give you an extra life.

Programmer's Cheat

Unlock Playstation Portable
For infinite lives and unparalleled access to the items within a level, use this super code! At the beginning of the game, as Sonic is coming out of the hole, press the LEFT, RIGHT, DOWN, A and Start. Hold the Start button until the level begins.

Level select

Unlock
Press Up, Down, Left, Right at the title screen. A chime will confirm correct code entry. Hold A + Start to begin game play. In the Japanese version, press Up, Down(3), Left, Right at the title screen. Hold A + Start to begin game play.
Enable the "Level select" code. Select the "Bonus level" option on the level selection screen. Obtain the Chaos Emerald, reset the game, and repeat the process until all of them are in your possession. Allow the game to continue after obtaining the last Chaos Emerald to start in the Green Hill Zone.

Crazy Sonic

Unlock
Hold A + B + C during demonstration mode for force Sonic to run into objects and act strangely. Note: This may also be done during the ending sequence after completing the Final Zone.

Bonus points

Unlock
Complete Green Hill Zone 1-1 or 1-2 in 29 seconds or less to receive 50,000 bonus points.
Collect the extra life at the very bottom of Green Hill Zone - Act 3. Accumulate 100 rings to obtain another extra life. Collect a third extra life located at the top of the loop-the-loop. Intentionally lose a life and repeat the process.
Enable the "Debug mode" code. Press B when Sonic is running with the animals at the end, then turn back into Sonic. You can nowcontrol yourself.
Hit him before he gets out his wrecking ball. While he swings the ball, jump (but do not hold it down) and hit him. Keep doing this until he is defeated.
You can almost always have the Special Zone entrance open (the giant ring next to the sign at the end of level Acts 1 and 2) by not losing your rings. If you do lose your rings, when you pass a checkpoint, intentionally die, then continue through the level without losing any rings. This works about 80% of the time.
Enable the "Debug mode" code. At the beginning of the level, create 50 rings and have Sonic collect them. Then, take Sonic to the end of the stage where you the giant ring. In the special stage, turn Sonic into an item and bring him to the end of the stage where the emerald is located. Turn him back and he will immediately get the Emerald. Repeat this until you have all six.
Enable the "Debug mode" code. While in Special Zone, transform into something then go as far left and down as possible until Sonic stops shaking. Turn back into Sonic. You will fall to a place which is spinning. Look around to find every different Emerald. Note: If you fall off this place, you will fall back to your original location. To prevent this, transform and repeat the process. This works in every Special Zone.
To pass Scrap Brain 3 in a very short amount of time, press the button at the beginning of the level, and jump over the bridge to go in the path below the bridge. Jump over all the pits. By the last pit, fall down, and go up the path on the right until you see the red jumper. The jumper brings you to the next level.
reference: On Green Hill Zone Act 3, just after Sonic steps on the cap to explode the rocket ship, animals pop out. One is a rabbit, and the other is a blue bird who appears to be Flicky, who is from another classic SEGA game, Flicky.
Enable "Level select" and "Debug mode" codes. Put a lamppost just before the sign at the end of the level. Press B to transform back into Sonic and hit the lamppost. Get out until the lives read "1" at the bottom of the screen. Spin the sign to end the level. Wait until Sonic walks out of the screen. Enter debug mode and go under the sign to get out again. The "Game Over" message will appear while the credits are being shown. You now have unlimited lives.

Last Episode

Unlock
Last Episode Beat Sonic's Episode, Shadow's Episode, and Silver's Episode

 

Music Unlocks

Unlock
Elise's Theme 100% The Last Episode
Shadow's Theme - All Hail Shadow 100% Shadow's Episode
Silver's Theme - Dreams of An Absolution 100% Silver's Episode
Sonic's Theme - His World 100% Sonic's Episode
Audio Room Complete Sonic, Shadow, or Silver's story 100%
Theater Room Complete Sonic, Shadow, or Silver's story 100%
Shadow The Hedgehog Complete 'Crisis City' with Sonic
Silver The Hedgehog Complete 'Silver The Hedgehog' boss battle with Sonic

Achievements

Blue Phantom (20) Super Sonic Obtain the all moves.
Dark Hero (50) Meet all the requests with magnificent skill.
Elite Agent (40) Complete all the tasks given as agent.
Gold Medalist (50) Collect all the Soleanna legendary Gold Medals.
Legend of Soleanna (100) Overcome all trials and accomplish a great feat.
Nights of Kronos (60) Unlock the complete ending to the last hidden story.
One to Reach the End (20) End the last hidden story.
Psychic Soldier (20) Obtain all the power to save the future world.
Shadow Episode: Cleared (30) Clear Shadow Episode!
Shadow Episode: Completed (40) Clear unlocked Shadow difficult level mission.
Shadow Episode: Mastered (60) Clear all unlocked Shadow ACT Missions with Rank S.
Silver Episode: Cleared (30) Clear Silver Episode!
Silver Episode: Completed (40) Clear unlocked Silver difficult level mission.
Silver Episode: Mastered (60) Clear all unlocked Silver ACT Missions with Rank S.
Silver Medalist (50) Collect all the Silver Medals scattered around Soleanna.
Silver The Liberator (40) Solve all the mystery in Soleanna.
Silver The Savior (50) Reveal all the secrets with your ultimate power.
Soleanna's Blue Wind (50) Solve all the problems swiftly.
Soleanna's Hero (40) Solve all Soleannans' problems.
Sonic Episode: Cleared (30) Clear Sonic Episode!
Sonic Episode: Completed (40) Clear unlocked Sonic difficult level mission.
Sonic Episode: Mastered (60) Clear all unlocked Sonic ACT Missions with Rank S.
Ultimate Life Form (20) Resurrect the ultimate power from the lost memory.