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