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