To unlock everything, enter the code ALLORNOTHIN at the Password screen (in the Options menu).

To unlock golfers without earning them, enter the cheats below in the Password screen (Options menu) to make the corresponding golfer available:

Super Tiger Woods: 2TREPUS01S
Cedric "Ace" Andrews: TSWERDNA12O
Stuart Appleby: UYBELPPA160
Notah Begay III: DYAGEB04E
Brad Faxon: ENOXAF14D
Jim Furyk: OKYRUF05R
Lee Janzen: INEZNAJ11W
Justin Leonard: RDRANOAEL13O
Solita Lopez: GZEPOL10R
Colin Montgomery: EYTNOM09E
Kellie Newman: SNAMWEN172
Jesper Parnevik: 0KIVENRAP02U
Vijay Singh: SHGNIS03P
Moa "Big Mo" Ta'a Vatu: O1UTAVAAT06T
Melvin "Yosh" Tanigawa: WAWAGINAT07I
Erika "Ice" von Severin: RVESNOV08G

Enter the Password GIVEITUP at the Password screen (Options menu) to unlock all courses.

To skip the Tuturial when you first load the game, press L1. Then you can go directly to Tiger Challenge, Speed Golf, Game Modes and Options.

To unlock golfers, go to Tiger Challenge and beat the following golfers to unlock them for other modes:

Super Tiger Woods
Cedric "Ace" Andrews
Stuart Appleby
Notah Begay III
Brad Faxon
Jim Furyk
Lee Janzen
Justin Leonard
Solita Lopez
Colin Montgomery
Kellie Newman
Jesper Parnevik
Vijay Singh
Moa "Big Mo" Ta'a Vatu
Melvin "Yosh" Tanigawa
Erika "Ice" von Severin

Unlock Trophy Balls by completing the following challenges:

Long Distance Drive: Hit a 350+ yard drive ($1000)
Long Putt: Sink a 55+ Foot Punt ($1000)
Fairway Challenge: Hit all fairways in a round ($2500)
GIR Challenge: Hit all greens in regulation ($2500)
Pin Seeker: Hit the Pin ($5000)
Aces Wild: Record a hole in one ($25000)
One Time: Reach a par 5 green in one ($2500)
Low Round: Shoot under 60 in a round ($10000)
Birdie Streak: Record 6 birdies in a row ($10000)
Birdie Buster: Record 12+ birdies in a row ($25000)
Back-to-Back: Back-to-back eagles ($50000)
Top of the Tournaments: 1st Place in all tournaments ($150000)
Eagle Extravaganza: Record 4 eagles in a round ($50000)
Scenario Challenge: Complete all scenarios ($150000)
Tiger Challenge Completion: Complete The Tiger Challenge ($250000)
Eagle Hunt: Eagle every par 5 in the game ($1000000)

During gameplay, once you or your CPU opponent swings, you can speed up the course of the ball by pressing and holding X.

In order to unlock new courses, earn money for your created golfer. Earn the listed amount to unlock the corresponding course:

Princeville: $50,000
Black Rock Cove: $200,000
Royal Birkdale: $400,000

To unlock holes for Tiger's Dream Course, complete levels of the Tiger Challenge.