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