Level Select: Sonic Spinball Mini-Game In the sound test for Sonic Spinball, play music 0, 2, 1, 5, 6, 6.
Zoom With A View: Sonic Pinball Mini-Game In the Sonic Spinball soun menu, play music 0, 2, 1, 1, 6, 6.
Unlock Metal Sonic To play as Metal Sonic, colect 130 emblems in the game. Metal Sonic will be unlocked in trial mode.
Level Select: Sonic Labyrinth Mini-Game On the Sonic Labyrinth title screen, press UP, UP, RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT.
Unlock Mission Mode To unlock Mission Mode for a particular character, finish the main game.
No Gravity: Sonic Spinball Mini-Game In the Sonic Spinball sound test, play music 0, 9, 0, 1, 6, 8.
Second Player is Tails In any stage where Tails tags along, a second player can pick up Controller 2 and move him. Use Tails to get more Rings!
Level Select: Sonic Chaos Mini-Game On the Sonic Chaos title screen, press UP, UP, UP, UP, RIGHT, LEFT, RIGHT, LEFT, START.
Grow Chao Stats With Animals Introducing your Chao to animals is a great way to influence its racing stats. Go to the Chao garden and give your Chao the following animals to grow the desired stat: Flying: Birds Running: Rabbits, deer, wallabies Strength: Lions, gorillas, elephants Swimming: Beavers, seals, penguins
Unlock Game Gear Minigames To unlock minigames, collect a Sonic Emblem or complete ten missions. Once you unlock the first, the Minigame option will appear on the main menu.
Helium Music: Sonic Spinball Mini-Game In the Sonic Spinball sound menu, play music 0, 4, 2, 5, 5, 7.
Level Select: Sonic 2 Mini-Game On the Sonic The Hedgehog 2 title screen, Tails will blink his eyes once, then two times. Hold DOWN + LEFT + A + B, press START when Tails' eyes are closed on the second of the second set of blinks.
