Penguin Slide
Heres how to do a penguin slide. First make sure that your facing a boss as Knuckles.(The first boss is usually the best one to fight for this code) Glide and hold the A button,as you slowly reach the floor. When you get to the edge of the left part of the screen while holding A you will be doing a penguin-like slide.(Note) Release A to stop sliding.
Unlock Characters
Cream- Finish Leaf Forest as Sonic.
Knuckles- Finish the Sky Canyon level as Sonic.
Sound test
Successfully complete the game with all seven Chaos Emeralds with any two characters to unlock sound test. Note: For more sounds, successfully complete the Extra Zone with Sonic.
Play as Knuckles
Successfully complete the Sky Canyon level with Sonic to unlock Knuckles.
Play as Amy
Successfully complete the game with all seven Chaos Emeralds as Cream, Knuckles, Sonic, and Tails to unlock Amy.
Tiny Chao Garden
Successfully complete the game with all seven Chaos Emeralds with any character to unlock Tiny Chao Garden.
Boss option in time attack mode
Successfully complete the game with all seven Chaos Emeralds with any three characters to unlock the "Boss" option in time attack mode.
Cheese gets rings
When playing as Cream the Rabbit, you can use Cheese (her Chao) for more than attacking enemies. You can also call Cheese to snag Special Rings.
Bonus level
Successfully complete the game with all seven Chaos Emeralds with Amy, Cream, Knuckles, Sonic, and Tails to unlock a new level at the end of Sonic's map screen.
Go higher and farther off a red ramp
When you get to a red ramp in the level 1, you can get farther and higher. When your about to jump on it, press A when about to jump. This only can be done on level 1.
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