Big heads:
While playing a game, hold L and press B, A, B, Y, Back.
Unlock Trixie:
Beat Donna's final event in tour.
Unlock All courses:
Create a player and enter "release all courses" (case sensitive)
Unlock Mistress Suki:
Beat Killer Millers tour.
All clubs:
Create a player and enter "release all clubs" (case sensitive)
Unlock Clem:
Beat Harley's final event in tour.
Unlock Donna:
Beat Summer's final event in tour
Unlock Harvest:
Beat Clem's final event in tour.
Unlock Ice Ridge (new course):
Beat Ice Trey's final event in tour.
Unlock Killer Miller:
Beat Trixie's final event in tour.
Unlock All characters:
Create a player and enter "release all golfers" (case sensitive)
Unlock all characters, clubs, courses, and movies:
To unlock the all the characters, clubs, courses, and movies of Outlaw Golf 2 create a new game titled, "I Have No Time". (This is a case sensative entry.)
