Here is the full list of all 32 Made in Abyss: Binary Star Falling into Darkness achievements.
Collected 50 Relics.
Learn a new skill for the first time.
Become a Red Whistle.
Clear HELLO ABYSS.
Collected Information with the Monocular for the first time.
Reach the second layer the first time.
Collected 10 Relics.
Cook a dish for the first time.
Be affected by ascension strains.
Craft something for the first time.
Obtained Relic for the first time.
Reach the first layer the first time.
Obtain all achievements.
Become a Blue Whistle.
Become a Moon Whistle.
Become a Black Whistle.
Become a White Whistle.
Clear DEEP IN ABYSS.
Clear Rikofs episode.
Clear Regfs episode.
Defeat Detchuanga.
Receive Nanachi's best dish review.
Reach the third layer the first time.
Reach the fourth layer the first time.
Reach the fifth layer the first time.
Visit over 40 stages.
Collected 100 Relics.
Collected 200 Relics.
Unlocked 10 skills.
Unlocked 30 skills.
Unlocked 50 skills.
Suffer the 1st to 5th layerfs strains.