Sonic Mega Collection Cheats for Gamecube

On the options screen, press B, Down, A, Down, X, Down, B, A, Up, B, X, Up, A, X and Up. Now you can access the Lava Powerhouse by pressing the B Button and Start, The Machine with the A Button and St...

Cheats in Comix Zone Japanese version only.....

Cheats for Dr. Robotnik's Mean Bean Machine.....

Cheat for Flicky......

Cheats for Sonic 3D Blast......

Start a game with Sonic. Run over to where the Super Shoes power-up and Madmole creature are right next to each other. Directly to the right of the Madmole is a pulley mechanism that takes you to the ...

Enable the "Level select" and "Debug mode" codes. About halfway through the very short Hidden Palace Zone, instead of going straight into the chamber to fight Knuckles turn Sonic i...

Enable the "Level select" and "Debug mode" codes. Each time you turn yourself into an "S" TV and break it, you will add 50 more rings to your total. To do this quickly, p...

Enable the "Level select" and "Debug mode" codes. Although you are supposed to get an extra life for every 100 rings collected, when you break "S" TVs you will not get on...

Press Up(3), Down(3), Left, Right, Left, Right at the Knuckles in Sonic 2 title screen. When the chime signal sounds, hold B and press Start....

Enter the "Level select" screen. Choose sounds 1, 9, 9, 4, 1, 0, 1, 8 (in that order). Highlight a level, then press A + Start....

Enter the "Sound Test" screen. Choose sounds 1, 6, 7, 7, 7, 2, 1, 6 (in that order)....

Begin game play at Angel Island Zone Act 1. Grab one of the swings that you hang on, then press Left(3), Right(3), Up(3) while Sonic is swinging. A sound will confirm correct code entry. Pause game pl...

Cheats for Sonic The Hedgehog......

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 ar...

Enable the "Debug-mode" code and choose any level. Pause game play and hold A. Everything will be moving in slow-motion. To stop the process, release A....

Cheats for Sonic The Hedgehog 2......

Enable the "Level select" code. Use the sound test selection on the options screen. Choose sounds 1, 9, 9, 2, 1, 1, 2, 4 (in that order). A chime will confirm correct code entry. Select any ...

Enable the "Debug mode" code. During game play, press the button configured as "B" on the Genesis. Sonic should become an object somewhere on the level. Press the button configured...

Enable the "Level select" code. Use the sound test selection on the options screen. Choose sounds 4, 1, 2, 6 (in that order). Start a stage, collect 50 rings, then jump to transform into Sup...

Enable the "Level select", "Debug", and "All Chaos Emeralds" codes. Then, start any level and get 50 rings. You can use the "Turn into a ring and give them to Tails&...

Enable the "Level select", "Super Sonic", and "Debug mode" codes and enter any stage. Get fifty rings and turn into Super Sonic. Change Sonic into the television monitor....

Cheats for Sonic The Hedgehog 3......

In the Level Select menu, go down to Sound Test and play the tunes in this order: 1,9,9,4,1,0,1,8. You'll hear a chime like when you get a ring to know you did it right....

Enter as a password......

Use one of the following passwords.....

Use one of the following passwords.....

Use one of the following passwords.....

Use one of the following passwords.....

Some passwords to get you further in Blue Sphere. They can be entered and the bottom of the screen:...

Complete rounds one through ten in under twenty seconds and receive a perfect score in each bonus round to accumulate over 240,000 points. A picture of a girl in a bikini will appear in the lower left...

Go into Sonic The Hedgehog, Sonic The Hedgehog 2, Sonic The Hedgehog 3, and Sonic And Knuckles and exit repeatedly until you see that the game log recording message is gone. When all gamelogs for Soni...

Unlock the sound test and level select. Go to level selection screen and choose Mushroom Hill Act 1. Then, find something to hang on (such as a pulley) and press Left(3), Right(3), Up(3). The sound of...

Collect all the rings on a level and use the gate that appears to be a large shining ring....

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. Intentional...

Collect fifty rings and jump after becoming Hyper Sonic for even more speed and higher jumps....

Defeat all enemies in a room, then repeatedly tap Down. Alternately, hold Down and attack an enemy....

Pause game play and wait until Sketch says "Sega"....

Go into exercise mode, wait until you get a Blue/Green bean, and try not to cover it. When you see a Has Bean come into the dungeon, put it on top of the Blue/Green bean. This will usually give you mo...

Accumulate fifty rings, enter the special stage, and get the emerald. Lose your current life, accumulate another set of fifty rings, and re-enter the special stage. Give the rings to the same characte...

Locate the barrels in the Toxic Caves stage. Jump in a barrel and move toward the wall opposite the emerald. Jump out of the barrel and intentionally lose a life while returning to that barrel. Sonic ...

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 checkp...

Begin game play in two player vs. mode and hit as many item boxes as possible until you get the speed shoes. Then, intentionally lose your life while you have them (getting squashed is the easiest way...

Get all the Chaos Emeralds and collect fifty rings, but do not transform into Super Sonic yet. Find an invincibility monitor and spin (do not jump) into it. Then, transform into Super Sonic. If done c...

Get all of the Chaos Emeralds and transform into Super Sonic. Try to have at least fifty rings when you finish the level. After completing the level, run off screen and wait until the end-of-level sig...

In Wing Fortress, move with some rings as far to the right as possible without climbing. When blades appear to block your way, hit them. As soon as you are invincible, walk through them. Jump on the p...

Set off the first alarm on the first level of the Launch Base Zone. Wait in the middle of the alarm and perform Spin-Dash attacks on the Flybots. The value of the Flybots will eventually increase to 1...

At the start of Angel Island, kill the monkey in the tree and jump on the first gray rock to reveal a bumper spring. Bounce up into the tree, and using the bumper spring hidden in the tree, bounce lef...

On Act 3 of the Icecap Zone, turn into a ball at the end before you reach Robotnic and fly off a ramp onto a purple trampoline. Look up to see a large number of rings. Bounce high enough to find anoth...