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
Take more than 15 minutes bringing the takoyaki.
Impress Oda with your perfect manners.
Successfully negotiate ideal terms with Yamagata.
Treat a homeless man to a ¥20,000 bottle of booze.
Complete all Climax Battles.
Complete all substories
Defeat So and Jo Amon.
Get 100% on your Completion List
Obtain all equipment parts.
Obtain all abilities for every style.
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.
Defeat 30 or more opponents in Endless Rout.
Complete the Cabaret Club Czar storyline.
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.
Win ten bets on three-round tournaments at JCC.
Complete the Real Estate Royale storyline.
Win all Pocket Circuit races.
Purchase the most expensive property
Get a top-grade item from a Dream Machine
Throw away a total of five million yen.
Complete Chapter 8.
Max out the level of a platinum hostess
Get over 50% on your Completion List
Get over 1,000 fans in any area
Get started with Cabaret Club Czar
Complete Chapter 6.
Spend one billion yen
Throw away money on the street
Get 100% share in any area
Get started with Real Estate Royale
Go on a date with a girl you met at the telephone club.
Complete 40 substories
Complete one training mission with each master.
Complete Chapter 4.
Get the best weapon search results report.
Complete Chapter 2.
Complete every disco song on any difficulty.
Watch a sexy video.
Complete 10 substories
Defeat Mr. Shakedown for the first time.
Pick up a telephone card.
Get five or more play bonuses fighting a single enemy.
Purchase ten or more abilities.
Visit Kamurocho in December 1988.