Play Challenge mode, and reach the Seeded Pro level. Look at the leaderboard after each hole, and look at your opponents' names. Some of the names listed are references to characters from Futurama, which are as follows:
"Ben B." and "Rodriguez" are references to Bender. "Conrad" is a reference to accountant Hermes Conrad. "Fry" is a reference to Philip J. Fry. "Leeland" is a reference to Leela. "Zoe Berg" is a reference to Dr. Zoidberg.
To easily gain loyalty, select Challenge mode, and play a VS. match. Press Start when the match begins, and select the "Give Up" option. Repeat this three times to intentionally lose the match and increase the loyalty with that character.
Unlock the following items by performing the corresponding tasks:
ITEMS - HOW TO UNLOCK Baby On The Go - Sink a greater than 60 foot putt. Biker suit - Score a Hole In One. Chief Seven Iron outfit - Score over 400 points in the mini-game. Comedy suit - Score over 600 points in the mini-game. IV Drip - Get a Rising shot. Knight Armor - Score over 700 points in the mini-game. Priestess Kimono - Get a Double Eagle. Knight helmet - Hole out with the Homing Ball animation. Pink Outfit - Score over 300 points in the mini-game. Soccer Uniform 1 - Score over 500 points in the mini-game. Wedding Veil - Get a Flag Ball shot. Yukata - Get a Spiral shot.
Find the following items by searching the corresponding holes:
ITEM - HOLE Aikidu Sensei - Autumn Pagoda hole 13 Baquette Club Intermediate - Central Golf Square hole 2 Baseball Helmet - Nagawaka hole 3 Beginners Club Intermediate - Olive Coast hole 10 Big Air Club Expert - El Andes hole 18 as a male character Big Paper Fan - South Alps hole 3 Big Serve Club Intermediate - Gamelan Island Resort hole 4 Black Afro - Gamelan Island Resort hole 6 Bottle Club Expert - Nagawaka hole 13 Busby Hat - Fortress Yard hole 15 Caveman Outfit - El Andes hole 12 CH Paddle Club Expert - Fortress Yard hole 17 Clown Car - Central Golf Square hole 17 Cricket Helmet - Royal And Links hole 17 Flamenco Dress - Fortress Yard hole 7 Flight Steward - Dino Park hole 14 Flower Kimono - Nagawaka hole 16 Gloria's Outfit - Central Golf Square hole 12 as Gloria Gnome Beard - Golden Desert hole 2 Golfing Trousers - South Alps hole 7 Infinity Club Intermediate - Royal And Links hole 7 Iron Mace - Autumn Pagoda hole 16 as a male character Karate Uniform - Michinoku Pass hole 17 Kung Fu Costume - El Andes hole 10 Leisure Suit - Olive Coast hole 6 Maid's Headpiece - Olive Coast hole 18 Mandarin Gown - Gamelan Island Resort hole 16 Monkey's Costume - Golden Desert hole 14 Navy Sweater - Royal And Links hole 3 Ninja Outfit - Autumn Pagoda hole 5 Pin hole Club Intermediate - Golden Desert hole 12 Royal Hanbok - Dino Park hole 17 Rugby Uniform - Central Golf Square hole 14 Samurai Kimono - Autumn Pagoda hole 8 Soccer Uniform 2 - Royal And Links hole 5 Stable Boy - Michinoku Pass hole 7 Tiger Head - Dino Park hole 4, on the left about halfway to the green. Turbo Spin Club Beginner - South Alps hole 17
Unlock the following characters by performing the corresponding tasks. Note: Press Up at the character selection screen to display the bonus characters.
CHARACTER - HOW TO UNLOCK Alia - At South Alps hole 14, talk to Alia with the magic broom equipped. Alice - Defeat her in Beginner Vs. mode. Britz - At El Andes hole 17, use Frau Ada to lift up a rock in the bare ground on left. Chad - Defeat him in Platinum Vs. mode. CJ - At Olive Coast hole 4, talk to him with a beautiful female (for example, Patricia). Frau Ada - Defeat her in Pro Vs. Mode. Gloria - At Fortress Yard hole 16, talk to her with Chad dressed as a girl. Holly - At Dino Park hole 6, have Malachy play hide and seek with the woman dressed as a tree off the back of the green. Julie - At Autumn Pagoda Golf Course hole 17, talk to Julie using Mifune. Lauryn - Defeat her in Bronze Vs. mode. Lee - Defeat him in Gold VS. mode. Logan - At Golden Desert hole 13, have Big Impact clubs. Malachy - Defeat him in Amateur VS. mode. Mifune - Defeat her in Silver VS. mode. Mika - Chip in a shot at Nakagawa hole 14 and talk to Mika. Mizuki - Unlocked randomly as a character while you are playing as Mizuho. Montcalm - Defeat him in Seeded-Pro VS. mode. Patricia - At Gameland Island Resort hole 1, talk to Patricia while wearing a swimsuit. Rio - Bogey hole 5 at Central Golf Course then talk to Rio in the right most cherry blossom tree on hole 6. Roger - At El Andes hole 17, lift the rock in the bare ground to the left with Frau Ada. Shu - At Michinoko hole 15, talk to Shy with a female character. Brenda - Defeat Brenda in a Vs. match in Challenge mode. Brian - Defeat Brian in a Vs. match in Challenge mode. Gina - Defeat Gina in a Vs. match in Challenge mode. Jack - Defeat Jack in a Vs. match in Challenge mode. Mifune - Defeat Mifune in a Vs. match in Challenge mode. Mizuho - Defeat Mizuho in a Vs. match in Challenge mode. Roberto - Defeat Roberto in a Vs. match in Challenge mode. Sairan - Defeat Sairan in a Vs. match in Challenge mode.