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