Here is the full list of all 49 Yakuza 4 trophies - there are 38 bronze, 7 silver, 3 gold and 1 platinum.
Acquire all trophies in the game.
Clear Extra Hard Mode.
Receive business cards from all hostesses, including ones you train in "Hostess Maker."
Clear all Ultimate Skill missions.
Clear Normal Mode without reverting to Easy Mode.
Clear the Finale.
Defeat Amon and get through all the substories.
Play all minigames at Club SEGA.
Collect all Memos in the Pause Menu.
Create one or more weapons for each weapon category.
Clear Part 4 of the story.
Max out all characters to level 20.
Collect two of each different tile pattern in mahjong.
Achieve a hat trick in darts.
Achieve a turkey in bowling.
Sing all songs at karaoke.
Collect ten emblems from survivors during gang encounters.
Destroy 100 weapons you pick up playing as Kiryu.
Clear Part 3 of the story.
Complete or finish forty substories.
Have a hostess wear a present you give her.
Possess 10,000,000 yen or more.
Acquire 10,000 casino points playing as Tanimura.
Play all casino gambling games.
Win the first point in Four-Ball pool.
Golf and fish five times each.
Play all non-casino gambling games.
Achieve a promotion in shogi.
Acquire the title "Star of the Coliseum."
Purchase five hand guns playing as Saejima.
Clear Part 2 of the story.
Have one of your apprentices win the Rookie Tournament in "Fighter Maker."
Complete or finish twenty substories.
Knock over 100 people you pass by.
Order something at least once at each restaurant.
Clear Part 1 of the story.
Gather at least one outfit from each category in "Hostess Maker."
Obtain the trophy prize in pachinko.
Traverse 100 kilometers or more.
Acquire three Revelations.
Pick up 20 pieces of trash around the city.
Earn 1,000,000 yen playing as Akiyama.
Have a hostess invite you on an after-work date.
Complete or finish four substories.
Become a VIP member at the massage parlor.
Smash the ball three times in one match.
Successfully hit two panels at once at the batting center.
Open five coin lockers.
View all Reminiscences from YAKUZA to YAKUZA 3.