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.
Complete the main story on Legend Difficulty
Complete all Climax Battles.
Take more than 15 minutes bringing the takoyaki.
Treat a homeless man to a ¥20,000 bottle of booze.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Complete the Final Chapter.
Complete all substories
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.
Complete Chapter 10.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Complete Chapter 8.
Obtain all abilities for every style.
Complete the Cabaret Club Czar storyline.
Max out the level of a platinum hostess
Get over 1,000 fans in any area
Get started with Cabaret Club Czar
Throw away a total of five million yen.
Complete Chapter 6.
Complete the Real Estate Royale storyline.
Purchase the most expensive property
Win all Pocket Circuit races.
Throw away money on the street
Get over 50% on your Completion List
Go on a date with a girl you met at the telephone club.
Get a top-grade item from a Dream Machine
Get 100% share in any area
Get started with Real Estate Royale
Impress Oda with your perfect manners.
Complete Chapter 4.
Get the best weapon search results report.
Complete one training mission with each master.
Spend one billion yen
Successfully negotiate ideal terms with Yamagata.
Complete 40 substories
Complete every disco song on any difficulty.
Complete Chapter 2.
Complete 10 substories
Watch a sexy video.
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.
Obtain all other achievements
Get 100% on your Completion List
Obtain all equipment parts.
Defeat 30 or more opponents in Endless Rout.
Play every minigame.
Win ten bets on three-round tournaments at JCC.