2G Vintage Sonic Tee...
	Alternate Sonic in Kart Mode...
	Bonus Video...
	Characters...
	Green Hill Zone...
	Last Stage...
	Multiplayer Characters...
	Sonic's 2G Hi-Speed Shoes...
	Various Achievements...

Five Hours game time in any game mode.

When you complete ALL of Sonic's stages and missions you will unlock him in the PSO suit in Kart mode.

Play for five hours.

Complete the following tasks to unlock the corresponding playable character in Versus mode.

Chao:
Beat ALL of Tails' levels with an 'A' rank.

Amy:
Beat ALL of Sonic's levels with an 'A' rank.

Big:
Get A ranks on ALL of Eggman's stage.

Chaos 0:
Beat ALL of Rouge's levels with an 'A' rank.

Mecha Sonic:
Beat ALL of Shadow's levels with an 'A' rank.

Tikal:
Beat ALL of Knuckles' levels with an 'A' rank.

To be able to play the 3D version of Green Hill Zone, get 180 emblems and get an A-Rank on all of them.

When you manage to successfully complete the Hero and Dark side story modes and then enter Story mode a 'Last Stage?' option will appear on the menu between the Hero and Dark selections.

Collect all 180 Emblems to unlock the following hidden Multiplayer characters.

Racing: Hero
Sonic
Space Sonic
Amy

Racing: Dark
Shadow
Space Shadow
Mecha Sonic

Shooting: Hero
Tails
Space Tails
Choa

Shooting: Dark
Eggman
Space Eggman
Big

Hunting: Hero
Knuckles
Space Knuckles
Tikal

Hunting: Dark
Rouge
Space Rouge
Chaos

Ten hours game time in any game mode.

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Beyond Good And Evil (40 points)	My hero, you have successfully saved the world!
Boss Attack (20 points)	Your skill is top notch!
Chao Raiser (20 points)	Time to raise your Chao.
Chao! (20 points)	Welcome to the Chao World!
DARK! (20 points)	You have cleared our DARK story.
Emblem Collector (40 points)	Half way to go!
HERO! (20 points)	You have cleared our HERO story.
Heaven or Hell (40 points)	You have successfully unlocked the HERO and DARK gardens.
Hello World (20 points)	Hello, rookie, welcome to the Sonic World!
Mission Complete (20 points)	Now you are the master of this stage.
Speedy Racer (40 points)	Excellent driving skills!
You Are The Legend (100 points)	You are the Sonic expert now!