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