Access the level select, then navigate to the sound test in the bottom-right corner of the screen. Play sounds 04, 01, 02, 06 in order, and the "emerald-collected" sound should play. All emeralds will now be collected and the player can turn super by collecting 50 rings, then pressing the jump button twice.
Change Tails name to Miles
Start a new game. Once the SEGA logo appears, tap the letters A, G, E, and S in that order, and a chime should sound. Tails name should now be changed to Miles.
Access the level select, then navigate to the sound test in the bottom-right corner of the screen. Play sounds 01, 09, 09, 02, 01, 01, 02, 04 in order, and a chime will sound. Now enter any level and tap the word "SCORE" in the top-left corner of the screen. You will transform into a ring and be able to freely move around the level using the D-Pad. Press the + or - buttons to change which object you are, and press the jump button to place that object. To change back into your character, tap "SCORE" again.
Enter Proto Palace Zone
To play the original leaked prototype version of Hidden Palace Zone, "Proto Palace Zone", use the Level Select code, enter the Debug Menu code, then play the sounds 03, 03, 03, 0B, 10, 10, 10, 04. After hearing a chime, select "Hidden Palace". Alternatively, you can enter "Hidden Palace Zone" by falling into the first hole in Mystic Cave Zone Act 1 where the spike trap used to be on the genesis version. You can now select Hidden Palace from a completed game file level select.
Game Config Menu
Access the level select, then navigate to the sound test in the bottom-right corner of the screen. Play the sound 00 three times, and a Game Config menu should appear on the screen. The player can change their character, type of items, ability to fly, and air speed cap in this menu.
Hidden Special Stage
Access the level select, then navigate to the sound test in the bottom-right corner of the screen. Play the sound 07, then enter the special stage.
Complete the following achievements to earn their respective point scores.
Unlockable How to Unlock 100% Chemical Free (50 pts) Complete Chemical Plant without going underwater A Secret Revealed (100 pts) Find and complete Hidden Palace Zone Beat the Clock (100 pts) Complete the Time Attack mode in less than 45 minutes Bop Non-stop (100 pts) Defeat any boss in 8 consecutive hits without touching the ground Early Bird Special (100 pts) Collect all the Chaos Emeralds before Chemical Plant Head 2 Head (100 pts) Win a 2P Versus race against a friend Hit it Big (50 pts) Get a jackpot on the Casino Night slot machines Metropolis Master (100 pts) Complete any Metropolis Zone Act without getting hurt Perfectionist (100 pts) Get a 'Perfect Bonus' by collecting every Ring in an Act Quick Run (50 pts) Complete Emerald Hill Zone Act 1 in under 35 seconds Scrambled Egg (100 pts) Defeat Dr. Eggman's Boss Attack mode in under 7 minutes Superstar (50 pts) Complete any Act as Super Sonic
Contributed By: Ryan Harrison.
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