Select the "My Tiger" option. Select the "EA Sports Extras" option, then choose "Password". Enter one of the following case-sensitive passwords to activate the corresponding cheat function.

All golfers
Enter YOUDAMAN as a password.

Big Head Spectator mode
Enter CEPHALUS as a password.

Set power level
Enter powercap[1-12] as a password to set your power level from 1 to 12 for the entire session. Note: This requires the latest patch for the game.