Here is the full list of all 45 Yakuza 3 trophies - there are 36 bronze, 5 silver, 3 gold and 1 platinum.
Earn all other trophies in the game.
Beat the game on Extra Hard.
Accumulate 10,000,000 yen.
Play all rounds in Ultimate Skill mode after beating the game.
Get a break ace in Nine-Ball pool.
Make a mod weapon.
Remove 30 pieces of garbage from Sunshine beach.
Complete all minigames.
Earn a combined total of 10,000 points in cee-lo, cho-han, koi-koi and oicho-kabu.
Earn a combined total of 10,000 points in poker, roulette and blackjack.
Claim victory in all Coliseum tournaments.
Initiate 10 battles by using first-person mode.
Complete all substories.
Apprehend all hitmen.
Order the most expensive item(s) in all restaurants.
Get a turkey while bowling.
Knock over 100 people.
Remove 5 pieces of garbage from Sunshine beach.
Complete 80 substories.
Complete trophy conditions for the games in the arcade. Get 10 stuffed animals in UFO Catcher, and get a high score in the shooting game.
Open all the lockers in the top row in both Kamurocho and Downtown Ryukyu.
Hit 2 panels with one ball in the Hard game at the batting cage.
Encounter all the masters.
Beat the game.
Defeat Mine in Chapter 12.
Defeat Fuma in Chapter 10.
Hit a 350 yard drive in Competition Mode in golf.
Complete 50 substories.
Defeat Lau Ka Long in Chapter 8.
Defeat Majima again in Chapter 7.
Defeat Kanda in Chapter 6.
Get a hat trick in darts.
Finish 50 battles with HEAT actions.
Complete 30 substories.
Break 100 weapons picked up in battles.
Run 42.195km.
Defeat man in black suit in Chapter 5.
Defeat Hasebe in Chapter 4.
Have your first Revelation.
Catch a tuna.
Complete 10 substories.
Sing all songs at karaoke.
Defeat Tamashiro in Chapter 3.
Defeat Rikiya in Chapter 2.
Defeat Majima in Chapter 1.