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.
Win ten bets on three-round tournaments at JCC.
Complete all Climax Battles.
Get 100% on your Completion List
Complete all substories
Defeat So and Jo Amon.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Obtain all equipment parts.
Get a top-grade item from a Dream Machine
Complete the Final Chapter.
Complete Chapter 16.
Suffer the full force of Reina's attack.
Complete Chapter 14.
Complete Chapter 12.
Defeat the yakuza with an afro on the highway.
Steal Nikkyo Consortium funds from their safe.
Defeat 30 or more opponents in Endless Rout.
Obtain all abilities for every style.
Play every minigame.
Complete Chapter 10.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Complete the Real Estate Royale storyline.
Throw away a total of five million yen.
Win all Pocket Circuit races.
Purchase the most expensive property
Go on a date with a girl you met at the telephone club.
Get over 50% on your Completion List
Complete Chapter 8.
Complete the Cabaret Club Czar storyline.
Max out the level of a platinum hostess
Complete one training mission with each master.
Get the best weapon search results report.
Complete every disco song on any difficulty.
Complete 40 substories
Spend one billion yen
Get over 1,000 fans in any area
Get started with Cabaret Club Czar
Complete Chapter 6.
Throw away money on the street
Get 100% share in any area
Get started with Real Estate Royale
Watch a sexy video.
Complete Chapter 4.
Defeat Mr. Shakedown for the first time.
Complete 10 substories
Complete Chapter 2.
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.