Here is the full list of all 59 Yakuza 6: The Song of Life achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
Rescued three stray cats.
Walked 30 seconds in first-person mode.
Experienced every RIZAP training.
Completed 20 types of Trouble Missions.
Got surrounded by enemies while trying to take a picture.
Obtained 100,000 total experience points.
Completed the game on LEGEND difficulty.
Completed 100 items on the Completion List.
Jumped from a dangerously high place.
Raised the Heat Gauge to a natural 150.
Completed all of the main story.
Completed Chapter 12.
Raised Health to a natural 150.
Completed Chapter 10.
Raised Evade to a natural 150.
Completed Chapter 8.
Completed 5 types of Trouble Missions.
Assembled the Kiryu Clan.
Completed Chapter 6.
Activated five types of eatery combos.
Raised Defense to a natural 150.
Raised Attack to a natural 150.
Completed Chapter 4.
Defeated the Emperor Squid.
Completed 10 substories.
Won a baseball game.
Completed 31 items on the Completion List.
Obtained 10,000 total experience points.
Experienced the trials of raising a baby.
Completed Chapter 2.
Found a secret passage.
Obtained 25 skills.
Activated Extreme Heat Mode 10 times.
Completed 10 items on the Completion List.
Obtained 10 skills.
Obtained 1,000 total experience points.
Arrived in Kamurocho for the first time.
Obtained all other achievements.
Completed 40 substories.
Completed all substories.
Ran away from 10 encounters successfully.
Obtained all skills.
Raised all stats to a natural 200.
Raised all stats to a natural 300.
Defeated Amon on any difficulty.
Reached level 3 in the Kiryu Clan.
Completed the Clan Creator storyline.
Raised the Kiryu Clan's influence to 10,000.
Maxed out a Kiryu Clan leader's stats.
Achieved 100 victories with the Kiryu Clan.
Played every minigame.
Reached Beloved Customer rank at Snack New Gaudi.
Requested every hostess.
Chatted with both lovely Live Chat ladies.
Played every Club SEGA game.
Pulled "Great Blessing" at the temple.
Made a store employee angry at you.
Took a photo of Ono Michio-kun.
Engaged enemies while a drink's effect is active.