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
Complete all Climax Battles.
Obtain all abilities for every style.
Get 100% on your Completion List
Complete the Final Chapter.
Complete all substories
Obtain all equipment parts.
Defeat So and Jo Amon.
Complete Chapter 16.
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.
Complete Chapter 10.
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.
Throw away a total of five million yen.
Complete Chapter 8.
Complete one training mission with each master.
Max out the level of a platinum hostess
Complete the Cabaret Club Czar storyline.
Get the best weapon search results report.
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.
Win ten bets on three-round tournaments at JCC.
Watch a sexy video.
Complete the Real Estate Royale storyline.
Purchase the most expensive property
Get over 50% on your Completion List
Go on a date with a girl you met at the telephone club.
Complete 40 substories
Win all Pocket Circuit races.
Spend one billion yen
Get a top-grade item from a Dream Machine
Get 100% share in any area
Complete every disco song on any difficulty.
Throw away money on the street
Complete 10 substories
Get started with Real Estate Royale
Impress Oda with your perfect manners.
Complete Chapter 4.
Successfully negotiate ideal terms with Yamagata.
Complete Chapter 2.
Treat a homeless man to a ¥20,000 bottle of booze.
Defeat Mr. Shakedown for the first time.
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.