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 Climax Battles.
Complete the main story on Legend Difficulty
Get 100% on your Completion List
Win ten bets on three-round tournaments at JCC.
Obtain all abilities for every style.
Obtain all equipment parts.
Defeat 30 or more opponents in Endless Rout.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Complete all substories
Defeat So and Jo Amon.
Complete the Final Chapter.
Play every minigame.
Defeat the yakuza with an afro on the highway.
Steal Nikkyo Consortium funds from their safe.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Take more than 15 minutes bringing the takoyaki.
Impress Oda with your perfect manners.
Successfully negotiate ideal terms with Yamagata.
Treat a homeless man to a ¥20,000 bottle of booze.
Complete Chapter 16.
Suffer the full force of Reina's attack.
Complete Chapter 14.
Complete Chapter 12.
Throw away a total of five million yen.
Complete Chapter 10.
Complete Chapter 8.
Get the best weapon search results report.
Complete the Cabaret Club Czar storyline.
Max out the level of a platinum hostess
Complete one training mission with each master.
Get over 1,000 fans in any area
Get started with Cabaret Club Czar
Complete the Real Estate Royale storyline.
Get over 50% on your Completion List
Purchase the most expensive property
Go on a date with a girl you met at the telephone club.
Win all Pocket Circuit races.
Spend one billion yen
Throw away money on the street
Get 100% share in any area
Complete Chapter 6.
Get a top-grade item from a Dream Machine
Complete 40 substories
Get started with Real Estate Royale
Complete Chapter 4.
Complete Chapter 2.
Complete every disco song on any difficulty.
Complete 10 substories
Watch a sexy video.
Pick up a telephone card.
Defeat Mr. Shakedown for the first time.
Purchase ten or more abilities.
Get five or more play bonuses fighting a single enemy.
Visit Kamurocho in December 1988.