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.
Spend one billion yen
Get 100% share in any area
Complete 40 substories
Complete one training mission with each master.
Complete Chapter 12.
Steal Nikkyo Consortium funds from their safe.
Complete Chapter 10.
Complete Chapter 8.
Get started with Cabaret Club Czar
Take more than 15 minutes bringing the takoyaki.
Complete Chapter 6.
Throw away money on the street
Get started with Real Estate Royale
Impress Oda with your perfect manners.
Complete Chapter 4.
Successfully negotiate ideal terms with Yamagata.
Complete Chapter 2.
Treat a homeless man to a ¥20,000 bottle of booze.
Complete 10 substories
Watch a sexy video.
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
Complete the main story on Legend Difficulty
Purchase the most expensive property
Get over 1,000 fans in any area
Max out the level of a platinum hostess
Get over 50% on your Completion List
Get 100% on your Completion List
Complete all substories
Throw away a total of five million yen.
Get a top-grade item from a Dream Machine
Obtain all abilities for every style.
Defeat Mr. Shakedown for the first time.
Get the best weapon search results report.
Obtain all equipment parts.
Defeat 30 or more opponents in Endless Rout.
Play every minigame.
Go on a date with a girl you met at the telephone club.
Complete every disco song on any difficulty.
Win ten bets on three-round tournaments at JCC.
Win all Pocket Circuit races.
Defeat 3 foes using co-op moves with Oda or Tachibana.
Complete Chapter 14.
Defeat the yakuza with an afro on the highway.
Complete Chapter 16.
Suffer the full force of Reina's attack.
Complete the Final Chapter.
Complete the Real Estate Royale storyline.
Complete the Cabaret Club Czar storyline.
After you become undisputed king of an area, get someone to light a cigarette for you on the street.
Complete all Climax Battles.
Defeat So and Jo Amon.