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