Here is the full list of all 38 ZAZ achievements.
Clear FINAL STAGE: "Couldn't put Humpty together again."
Fill the ranking board on the Extend Machine with your own records.
Solve MANI's final riddle and investigate all of the next room's information.
Clear MANI's Central Tower.
Clear STAGE 07: "And one for the little boy who lives down the lane."
Clear STAGE 06: "My fair lady."
Part Break the Creature of Lust's flower.
Clear STAGE 05: "And here we go round, round, roundy."
Clear STAGE 03: "And vowed he'd steal no more."
Clear STAGE 04: "Bured under the cold marble stones."
Use all Clione.
Clear STAGE 02: "I am a monk key!"
Part Break Creature of Wrath's beard
Clear STAGE 01: "That was the end, of Solomon Grundy."
Part Break the Creature of Sloth's necktie.
Clear Prologue.
Collect all trophies.
Use Silburst for the first time.
Collect all notes from the drifting ruins.
Obtain all of Haruto Higurashi's Shigabane.
Obtain all of Ryo Mikajime's Shigabane.
Obtain all of Zen Kubota's Shigabane.
Obtain all of Mamoru Ichiyo's Shigabane.
Obtain all of Rinko Susukino's Shigabane.
Obtain all of Yuma Mashiro's Shigabane.
Obtain all of Minamo Setouchi's Shigabane.
Obtain all of Sachika Hirasaka's Shigabane.
Upgrade all facilities to max level.
Enter your High Score in the Reckless Skies ranking.
Have your first bathroom accident.
Upgrade a weapon to +99.
Cook every type of dish.
Max out every character's bond level.
Part Break the Creature of Pride's satchel.
Part Break the Creature of Gluttony's dress.
Part Break the Creature of Envy's head.
Part Break all of Full Armor Kurosuke's parts.
Part Break all of Extend Terashima's Artificial Clione.