Successfully complete the indicated challenge in Career mode to unlock the corresponding character:

Adam Scott: Successfully complete the Easy Challenge at TPC Boston.

Alexei Eichelberg: Successfully complete the Medium Challenge at TPC Boston.

Annabelle Townsend: Successfully complete the Hard Challenge at TPC Sawgrass.

Annika Sorenstam: Successfully complete the Hard Challenge at Doral.

Anthony Kim: Successfully complete the Hard Challenge at Oakmont.

Chris Dimarco: Successfully complete the Medium Challenge at Firestone.

Cristie Kerr: Successfully complete the Hard Challenge at Pebble Beach.

Edwin "Pops" Masterson: Successfully complete the Hard Challenge at Turnberry.

Hal Duff: Successfully complete the Hard Challenge at East Lake.

Justin Rose: Successfully complete the Medium Challenge at Harbour Town.

Luke Donald: Successfully complete the Medium Challenge at Pinehurst.

Moa "Big Mo" Taa Vatu: Successfully complete the Hard Challenge at St Andrews.

Natalie Gulbis: Successfully complete the Medium Challenge at Turnberry.

Nick Dougherty: Successfully complete the Easy Challenge at Oakmont.

Paula Creamer: Successfully complete the Easy Challenge at St Andrews.

Retief Goosen: Successfully complete the Easy Challenge at East Lake.

Rocco Mediate: Successfully complete the Hard Challenge at Torrey Pines.

Rory Mcilroy: Successfully complete the Easy Challenge at Wentworth.

Super Tiger: Successfully complete the Hard Challenge at Wentworth.

Suzanne Mcintyre: Successfully complete the Medium Challenge at Hazeltine.

Takeharu "Tsunami" Moto: Successfully complete the Hard Challenge at Bethpage.

Tiffany "Tiff" Williamson: Successfully complete the Medium Challenge at Bay Hill.

Vijay Singh: Successfully complete the Hard Challenge at TPC Boston.