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 the main story on Legend Difficulty
Win ten bets on three-round tournaments at JCC.
Complete all Climax Battles.
Successfully negotiate ideal terms with Yamagata.
Play every minigame.
Complete the Final Chapter.
Complete all substories
Defeat So and Jo Amon.
Obtain all equipment parts.
Obtain all abilities for every style.
Complete Chapter 16.
Complete Chapter 14.
Suffer the full force of Reina's attack.
Defeat 30 or more opponents in Endless Rout.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Defeat the yakuza with an afro on the highway.
Complete Chapter 12.
Steal Nikkyo Consortium funds from their safe.
Max out the level of a platinum hostess
Complete the Cabaret Club Czar storyline.
Complete Chapter 10.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Purchase the most expensive property
Complete the Real Estate Royale storyline.
Throw away a total of five million yen.
Complete Chapter 8.
Get the best weapon search results report.
Get over 1,000 fans in any area
Defeat Mr. Shakedown for the first time.
Complete every disco song on any difficulty.
Get started with Cabaret Club Czar
Take more than 15 minutes bringing the takoyaki.
Complete Chapter 6.
Get over 50% on your Completion List
Throw away money on the street
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 one training mission with each master.
Get started with Real Estate Royale
Complete 40 substories
Go on a date with a girl you met at the telephone club.
Complete Chapter 4.
Impress Oda with your perfect manners.
Complete 10 substories
Watch a sexy video.
Complete Chapter 2.
Treat a homeless man to a ¥20,000 bottle of booze.
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.