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