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