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