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
Steal Nikkyo Consortium funds from their safe.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Get 100% on your Completion List
Complete all Climax Battles.
Play every minigame.
Take more than 15 minutes bringing the takoyaki.
Impress Oda with your perfect manners.
Obtain all equipment parts.
Defeat 30 or more opponents in Endless Rout.
Complete all substories
Defeat So and Jo Amon.
Successfully negotiate ideal terms with Yamagata.
Treat a homeless man to a ¥20,000 bottle of booze.
Obtain all abilities for every style.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Max out the level of a platinum hostess
Win ten bets on three-round tournaments at JCC.
Complete the Real Estate Royale storyline.
Complete every disco song on any difficulty.
Win all Pocket Circuit races.
Purchase the most expensive property
Get over 50% on your Completion List
Complete one training mission with each master.
Complete the Cabaret Club Czar storyline.
Get the best weapon search results report.
Complete 40 substories
Complete the Final Chapter.
Complete Chapter 16.
Get a top-grade item from a Dream Machine
Suffer the full force of Reina's attack.
Complete Chapter 14.
Defeat the yakuza with an afro on the highway.
Complete Chapter 12.
Complete Chapter 10.
Throw away a total of five million yen.
Go on a date with a girl you met at the telephone club.
Get 100% share in any area
Complete Chapter 8.
Spend one billion yen
Get over 1,000 fans in any area
Watch a sexy video.
Get started with Cabaret Club Czar
Throw away money on the street
Complete Chapter 6.
Get started with Real Estate Royale
Defeat Mr. Shakedown for the first time.
Complete Chapter 4.
Complete 10 substories
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.