Extra Money
Use a memory card with a previously saved EA Sports game file on it to earn extra money.

Unlock All Courses
Enter 14COURSES on the cheat screen

Unlock Everything
Enter ALLTW3 on the cheats menu

Unlock Individual Golfers
To unlock the following golfers, enter the corresponding phrases as passwords at the Cheat Code screen:
Brad Faxon: XON
Cedric Andrews: IAM#1
Charles Howell III
Dominic Donatello: GODFATHER
Hamish: MCRUFF
Jim Furyk
Josey Scott: SUPERSTAR
Justin Leonard: JUSTINTIME
Kelly Newman: COWGIRL
Mark Calcavecchia: CALCULATE
Mark O'Meara: TB
Melvin Tanagawa: YOYOYO
Notah Begay III: NOTABLY
Solita Lopez: SOLITARY1
Steve Stricker: SS
Stewart Cink: SINK
Stuart Appleby: ORANGES
Super Tiger: SUNDAY
Takeharu Moto: 2TON
Ty Tryon: TYNO
Val Summers: VALENTINE
Vijay Singh: VJSING