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