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