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