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