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