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