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