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