Here is the full list of all 55 Yakuza 0 achievements. It takes around 150-200 hours to unlock all of the achievements on Windows.
Obtain all other achievements
Complete the main story on Legend Difficulty
Impress Oda with your perfect manners.
Successfully negotiate ideal terms with Yamagata.
Treat a homeless man to a ¥20,000 bottle of booze.
Complete all Climax Battles.
Get 100% on your Completion List
Complete all substories
Defeat So and Jo Amon.
Play every minigame.
Win ten bets on three-round tournaments at JCC.
Max out the level of a platinum hostess
Obtain all equipment parts.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Defeat 30 or more opponents in Endless Rout.
Get the best weapon search results report.
Complete the Cabaret Club Czar storyline.
Obtain all abilities for every style.
Complete the Real Estate Royale storyline.
Purchase the most expensive property
Suffer the full force of Reina's attack.
Throw away a total of five million yen.
Defeat the yakuza with an afro on the highway.
Steal Nikkyo Consortium funds from their safe.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Take more than 15 minutes bringing the takoyaki.
Win all Pocket Circuit races.
Complete the Final Chapter.
Complete Chapter 16.
Complete Chapter 14.
Complete Chapter 12.
Get over 50% on your Completion List
Complete every disco song on any difficulty.
Complete Chapter 10.
Defeat Mr. Shakedown for the first time.
Complete Chapter 8.
Get over 1,000 fans in any area
Get started with Cabaret Club Czar
Complete Chapter 6.
Spend one billion yen
Go on a date with a girl you met at the telephone club.
Get a top-grade item from a Dream Machine
Throw away money on the street
Get 100% share in any area
Complete 40 substories
Get started with Real Estate Royale
Complete one training mission with each master.
Complete Chapter 4.
Watch a sexy video.
Complete 10 substories
Complete Chapter 2.
Purchase ten or more abilities.
Pick up a telephone card.
Get five or more play bonuses fighting a single enemy.
Visit Kamurocho in December 1988.