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