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