Here is the full list of all 50 Yakuza 3 Remastered achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Earn all other achievements in the game.
Beat the game on Legend difficulty.
Play all rounds in Ultimate Match mode after beating the game.
Complete the game.
Defeat Mine in Chapter 12.
Complete all minigames.
Pick up 30 pieces of trash from the beach in front of Morning Glory.
Catch a tuna.
Accumulate 10,000,000 yen.
Complete all substories.
Claim victory in all Coliseum tournaments.
Defeat Joji Kazama in Chapter 10.
Apprehend all hitmen.
Order the most expensive item in all restaurants.
Knock over 100 people.
Win a hand of mahjong when you only have 1 tile concealed.
Win a game of shogi without ever moving your king.
Encounter all the masters.
Defeat Lau Ka Long in Chapter 8.
Defeat Majima again in Chapter 7.
Complete 80 substories.
Defeat Kanda in Chapter 6.
Initiate 3 battles using first-person mode.
Earn a combined total of 3,000 points in cee-lo, cho-han, koi-koi, and oicho-kabu.
Play both massage modes.
Earn a combined total of 3,000 points in poker, roulette, and blackjack.
Win 5 stuffed animals in UFO Catcher and get a high score in a shooting game.
Get a turkey while bowling.
Sing all songs at karaoke.
Get a hat trick in darts.
Complete 50 substories.
Hit 2 panels with one ball in the Hard Game at the batting cage.
Run 42.195km.
Defeat the man in black in Chapter 5.
Defeat Hasebe in Chapter 4.
Make a modded weapon.
Have your first Revelation.
Hit a 350-yard drive during a tournament in golf.
Complete 30 substories.
Open a total of 10 lockers in Kamurocho and Downtown Ryukyu.
Finish 10 battles with Heat Actions.
Pick up 5 pieces of trash from the beach in front of Morning Glory.
Defeat Tamashiro in Chapter 3.
Break 30 weapons picked up in battle.
Complete 10 substories.
Spend 300,000 yen in one visit to a hostess club.
Create a fashionable hostess.
Get a break ace in nine-ball pool.
Defeat Rikiya in Chapter 2.
Defeat Majima in Chapter 1.