Play as Justin "The Hustler" Timberlake
At the main menu, hold [Shift] + [Ctrl] + J and press T to unlock Justin "The Hustler" Timberlake.

Infinite Tiger Vision
Go to practice and play your round. The tiger vision will always remain at 4/4.

Bonus courses
Successfully complete one of the following tasks to unlock the corresponding course:

Dream 18 with 100 prestige rating
The following are 18 holes you can use to receive a rating of 100 on your Dream 18. They can be put in any order and do not have to be Tiger Proofed:

Easy course with 100 prestige rating
Note: The order is optional.

Easy Double Eagle Trouble Trophy Ball
If you are having trouble getting the Double Eagle Trouble Trophy Ball, use the following setup at Coeur D'Alne #15: