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