Cheat: Justin Timberlake
To Unlock Justin Timberlake as a playable character enter "THETENNESSEEKID" in the password menu.
Cheat: Unlock All Courses
To unlock all of the courses in the game, go to the cheats menu and type in “THEWORLDISYOURS” (all one word).
Cheat: Golfers and Courses
Unlock Jack Nicklaus: GOLDENBEAR
Unlock all golfers and courses: THEGIANTOYSTER
Unlock Arnold Palmer: THEKING
Unlock skills: NIGHTGOLFER
Ben Hogan: THEHAWK
Gary Player: BLACKNIGHT
Hint: Easy Money
Create two profiles, get a decent amount of cash in each profile's bank. Now play a 2 player match play. Play 9 holes to make it quicker. Simply wager the highest amount possible between the profiles. Have one player concede each hole and then only save the winning profile, reload the old profile for the loser, no money lost!
