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