Cheat Codes...
	Various Achievements...

Go the the Main Menu, then Extras and then enter the following codes to activate the listed cheat effect.

Effect	Code
AAA Shell	Chet, Skidmark, Smooth Move, Skidmark.
Firestone Shell	Turbo, Whiplash, Turbo, White Shadow.
New Shell #1	Skidmark, Whiplash, Turbo, Skidmark.
New Shell #2	Smooth Move, Turbo, Burn, Smooth Move.
New Shell #3	Smooth Move, White Shadow, Smooth Move, Turbo.
New Shell #4	Turbo, Chet, White Shadow, Turbo.
New Shell #5	Whiplash, Skidmark, Smooth Move, Whiplash.
Play as Skidmark	Skidmark, Whiplash, Turbo, Burn.
Reverse mode	White Shadow, Turbo, Smooth Move, White Shadow.
Turbo's original racing shell	Burn, Smooth Move, Turbo, Burn.

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Auto-Matic! (40 points)	Unlock The Autobody Shop.
Burn 20! (40 points)	Complete 20 Objectives with Burn.
Custom! (40 points)	Unlock A Custom Shell.
Got 'Em All! (60 points)	Collect All Tomato Pickup Sets in Timed Mode.
Got Character! (60 points)	Collect All Character Pickup Sets.
Hobby Time! (40 points)	Unlock the Hobby Shop.
Letter Collector! (40 points)	Collect All T-U-R-B-O Sets.
Nailed It! (40 points)	Unlock The Nail Salon.
Neon Glow! (40 points)	Unlock the Dos Bros Roof.
Painter! (40 points)	Customize A Snail.
Score! (30 points)	Beat the Turbo Score on a Level.
Skidmark 20! (40 points)	Complete 20 Objectives with Skidmark.
Slices! (40 points)	Collect all Tomatoes on One level in Freeplay.
Smoove Move 20! (40 points)	Complete 20 Objectives with Smoove Move.
Specialist! (20 points)	Use A Special Ability.
Stunt Starter! (20 points)	Finish All Tutorials.
Super Custom! (60 points)	Unlock All Custom Shells.
Super Score! (60 points)	Beat the Turbo Score on All Levels.
Super Tricky! (20 points)	Perform A Special Trick.
The Whole Enchilada! (30 points)	Complete All Objectives in a Level.
The Whole Tomato! (60 points)	Collect All Tomatoes in Freeplay.
To Go! (40 points)	Unlock the Dos Bros Patio.
Turbo 20! (40 points)	Complete 20 Objectives with Turbo.
Way To Go! (20 points)	Complete An Objective.
Whiplash 20! (40 points)	Complete 20 Objectives with Whiplash.