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