Hot Shots Golf: Open Tee Codes -

Cheat mode
Enter 5TNEPO as a file name to unlock all bonuses.  

Autumn Pagoda course
Get enough stars to reach the Beginner rank in challenge mode.

Golden Desert course
Get enough stars to reach the Senior rank in challenge mode.

Dino Park course
Get enough stars to reach Silver rank in challenge mode.

Olive Coast course
Get enough stars to reach the Mid-Rank rank in challenge mode.

Royal & Links course
Get enough stars to reach the Grand rank in challenge mode.

Alia
Defeat Alia when you reach the Beginner level in a challenge mode versus match.

CJ
Defeat CJ when you reach the Senior level in a challenge mode versus match.

Holly
Defeat Holly when you reach the Silver level in a challenge mode versus match.

Julie
Defeat Julie when you reach the Mid Rank level in a challenge mode versus match.

Logan
Defeat Logan when you reach the Bronze level in a challenge mode versus match.

Patricia
Defeat Patricia when you reach the Grand level in a challenge mode versus match.

Roger
Defeat Roger when you reach the Gold level in a challenge mode versus match.

Shu
Defeat Shu when you reach the Novice level in a challenge mode versus match.

Jon as a caddy
Reach "Gold" rank in Challenge mode.

Lisa as a caddy
Reach "Grand" rank in Challenge mode.

Mr. K as a caddy
Reach "Mid-Rank" rank in Challenge mode.

Medals
Complete the indicated task to unlock the corresponding medal in the Medal Gallery.

Medal 1: Reach "HSG Star" rank. 
Medal 2: Reach "Platinum" rank in challenge mode. 
Medal 3: Unlock all characters. 
Medal 4: Get maximum Loyalty Hearts with all characters. 
Medal 5: Complete the Putting challenge and Challenge mode. 
Medal 6: Get a hole-in-one. 
Medal 7: Get a Double Eagle on a par 5 course. 
Medal 8: Sink the ball by hitting the pin. 
Medal 9: Sink the ball with Super Topspin. 
Medal 10: Sink the ball with Super Backspin. 
Medal 11: Sink the ball with a Spiral Ball. 
Medal 12: Sink the ball with a 60 yard putt. 

Manual replay option
Get enough stars to reach the Senior rank in challenge mode.

Extra loyalty level
Get a Super Win by winning a called game by -3 to get five instead of four loyalty levels.