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