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