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.
Pick up 30 pieces of trash from the beach in front of Morning Glory.
Beat the game on Legend difficulty.
Accumulate 10,000,000 yen.
Knock over 100 people.
Initiate 3 battles using first-person mode.
Play all rounds in Ultimate Match mode after beating the game.
Complete all substories.
Complete the game.
Defeat Mine in Chapter 12.
Apprehend all hitmen.
Order the most expensive item in all restaurants.
Complete all minigames.
Win 5 stuffed animals in UFO Catcher and get a high score in a shooting game.
Play both massage modes.
Win a hand of mahjong when you only have 1 tile concealed.
Claim victory in all Coliseum tournaments.
Encounter all the masters.
Defeat Joji Kazama in Chapter 10.
Pick up 5 pieces of trash from the beach in front of Morning Glory.
Catch a tuna.
Get a break ace in nine-ball pool.
Spend 300,000 yen in one visit to a hostess club.
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.
Make a modded weapon.
Earn a combined total of 3,000 points in poker, roulette, and blackjack.
Defeat Lau Ka Long in Chapter 8.
Defeat Majima again in Chapter 7.
Complete 80 substories.
Defeat Kanda in Chapter 6.
Get a hat trick in darts.
Sing all songs at karaoke.
Hit 2 panels with one ball in the Hard Game at the batting cage.
Run 42.195km.
Complete 50 substories.
Get a turkey while bowling.
Defeat the man in black in Chapter 5.
Defeat Hasebe in Chapter 4.
Finish 10 battles with Heat Actions.
Complete 30 substories.
Have your first Revelation.
Hit a 350-yard drive during a tournament in golf.
Open a total of 10 lockers in Kamurocho and Downtown Ryukyu.
Create a fashionable hostess.
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.