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