$1 million
While playing a game, type "goldfinger". If you entered the code correctly, you will hear a sound. Then, type "givememoneyordie". If you entered the code correctly, you will hear a sound. Exit the race and you will have $1 million. Repeating the code will set your current amount to $1 million -- you cannot get more than that amount. -From: Andrewtheman1@aol.com

Extra money
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "metal.ini" file in the "system" folder that is inside the game folder. Scroll down to the profiles and look for the "Cash=" line that is followed by 27 characters. Change those 27 characters to the following to get $1 million:

Hidden money
On the Farm Road track, go under the train trestle in the middle of the pond to find $1500.