Here is the full list of all 47 Yakuza 4 Remastered achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Acquire all achievements in the game.
Clear Legend Mode.
Create one or more weapons for each weapon category.
Knock over 100 people you pass by.
Sing all songs at karaoke.
Destroy 100 weapons you pick up playing as Kiryu.
Win a round by forming a concealed hand containing seven unique pairs in mahjong.
Successfully hit two panels at once at the batting center.
Become a VIP member at the massage parlor.
Achieve a hat trick in darts.
Achieve a turkey in bowling.
Golf and fish five times each.
Achieve a promotion in shogi.
Win the first point in Four-Ball billiards.
Play all minigames at Club SEGA.
Play all non-casino gambling games.
Play all casino gambling games.
Receive business cards from all hostesses, including ones you train in "Hostess Maker."
Gather at least one outfit from each category in "Hostess Maker."
Collect all Memos in the Pause Menu.
Max out all characters to level 20.
Smash the ball three times in one match.
Defeat Amon and get through all the substories.
Purchase five guns playing as Saejima.
Order something at least once at each restaurant.
Acquire the title "Star of the Coliseum."
Have one of your apprentices win the Rookie Tournament in "Fighter Maker."
Traverse 100 kilometers or more.
Collect ten emblems from survivors during gang encounters.
Complete or finish forty substories.
Clear Normal Mode without reverting to Easy Mode.
Pick up 20 pieces of trash around the city.
Have a hostess wear a present you give her.
Have a hostess invite you on an after-work date.
Clear all Ultimate Skill missions.
Possess 10,000,000 yen or more.
Earn 1,000,000 yen playing as Akiyama.
Complete or finish twenty substories.
Acquire 10,000 casino points playing as Tanimura.
Clear the Finale.
Clear Part 4 of the story.
Clear Part 3 of the story.
Complete or finish four substories.
Clear Part 2 of the story.
Acquire three Revelations.
Clear Part 1 of the story.
Open five coin lockers.