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