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.
Complete all substories
Defeat So and Jo Amon.
Get 100% on your Completion List
Defeat 30 or more opponents in Endless Rout.
Play every minigame.
Max out the level of a platinum hostess
Obtain all abilities for every style.
Complete the Cabaret Club Czar storyline.
Obtain all equipment parts.
Get the best weapon search results report.
Win ten bets on three-round tournaments at JCC.
Watch a sexy video.
Get over 50% on your Completion List
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Complete the Real Estate Royale storyline.
Purchase the most expensive property
Throw away a total of five million yen.
Defeat Mr. Shakedown for the first time.
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 100% share in any area
Complete the Final Chapter.
Complete Chapter 16.
Complete Chapter 14.
Suffer the full force of Reina's attack.
Defeat the yakuza with an afro on the highway.
Complete Chapter 12.
Get over 1,000 fans in any area
Steal Nikkyo Consortium funds from their safe.
Complete Chapter 10.
Complete Chapter 8.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Complete one training mission with each master.
Get started with Cabaret Club Czar
Complete Chapter 6.
Take more than 15 minutes bringing the takoyaki.
Throw away money on the street
Get started with Real Estate Royale
Complete every disco song on any difficulty.
Impress Oda with your perfect manners.
Complete Chapter 4.
Get a top-grade item from a Dream Machine
Purchase ten or more abilities.
Successfully negotiate ideal terms with Yamagata.
Complete 10 substories
Treat a homeless man to a ¥20,000 bottle of booze.
Complete Chapter 2.
Pick up a telephone card.
Get five or more play bonuses fighting a single enemy.
Visit Kamurocho in December 1988.