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Playstation 2 - NASCAR 06: Total Team Control cheats

Unlock Cheat mode:
Select "Features" at the main menu, after select "Create-a-Car". 
or

Go to Fight To The Top mode, then select "Edit Driver".

Enter one of the following names to activate the cheat function.
                                        
Unlock Master code: Enter Gimme Gimme
Unlock Upgrade fan level: Enter Super Star
Unlock Upgrade prestige: Enter MeMyself AndI 
Unlock Upgrade prestige: Enter One ForAll
Unlock Maximum prestige: Enter All ForOne
Unlock $10 million: Enter Walmart Money
Unlock Walmart driver and course: Enter Walmart Exclusive
Unlock Dale Earnhardt Sr: Enter The Intimidator
Unlock All Dodge cars and Dodge Stadium track events: Enter Race Dodge
Unlock All Old Spice cars, track and sponsor: Enter KeepCool SmellGreat
Unlock All Mr. Clean cars, tracks, and sponsor:  Enter MrClean AutoDry
Unlock UPS truck, tracks, and sponsor: Enter Race TheTruck

Unlock Victory lap: Press Start right after winning a race