Extra money:
At the main menu, select "Options", then choose "Player Profile". Select the "Cheats" option, then enter "+FOODSTAMPS+" as a case-sensitive code to get an extra $1,500.
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Credits:
Enter +FOODSTAMPS+ for 10,000 credits at a time.
This will eventually give you the credits to unlock the Fury bike that the first code does not.
What is the difference and how do i get the 2nd one to work?