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