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