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