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