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