Sally was a beautiful princess acorn, then she hang out with Sonic and Tails to adventures and defeat Dr. Eggman. She brave and kindness back to normal.
Tails was working on a new machine, when he found one of his pieces missing. He then found a note saying Dr. Eggman took it for his machine. He set off to get it back.
Amy was admiring a picture of Sonic in the newspaper, when she overheard Sonic was going to defeat Eggman. Thinking he would love her for it, she went to get Eggman first.
Racer: These are the fastest characters, they can use Homing Attacks and Spin Dashes.
Flyer: These characters can fly for short distances.
Fighter: These characters can glide, climb, and dig. (However, Big cannot climb or glide)
Mecha: These characters are the slowest, and they can shoot projectiles.
Worlds & Levels
Shimmering Beach Zone
Seaside Hill
Ocean Palace
Aquatic Pipeway
BOSS: Egg Gull
Grand Metropolis Zone
Power Plant
Hi-Tech Central
Groovy Generator
BOSS: Metal Sonic
Snowcap Mountain Zone
Icicle Alley
Frozen Waters
Chilly Forest
BOSS: Egg Walrus
Rapid Rainforest Zone
Frog Forest
Lost Jungle
Opal Valley
BOSS: Metal Knuckles
Dune Ruins Zone
Dark Pyramid
Vile Tomb
Phantom Mines
BOSS: Egg Pharoh
Lava Reef Zone
Vicious Volcano
Lava Pathway
Hot Iron Road
BOSS: Metal Shadow
Death Egg Zone
Space Colony
Evil Labrynth
Final Fortress
BOSS: Egg Knockout
Final Arena Zone
BOSS: Ultimate Metal Sonic
Trivia
This is another game where a form of Metal Sonic is the final boss, the first one being Sonic Heroes.
Super Sonic is playable, however only during the boss level of the Final Arena Zone. With a cheat code, however, you can choose to play as Super Sonic in any level.