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