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