Here is the full list of all 37 Shin Megami Tensei III Nocturne HD Remaster achievements.
Completed the game on HARD.
Recreated the world as we know it.
Maxed out all of a demon's stats.
Received 100 gifts from demons.
Completed the Demon Compendium.
Obtained all Magatama.
Dealt 999 damage in a single blow.
Bought all available beverages from the vending machines.
Performed demon fusion 50 times.
Completed all stages in Puzzle Boy.
Completed one stage in Puzzle Boy.
Earned a new title for the Demi-fiend.
Mastered a Magatama.
Used the Amala Link 50 times.
Get 30 demons to join through conversation.
Completely mapped out a dungeon.
Hit a weakness 100 times.
Had a demon evolve.
Performed demon fusion for the first time.
Set foot in the Vortex World.
Had a demon change its skill.
Suffered a status ailment for the first time.
Get a demon to join through conversation for the first time.
Viewed the Game Over screen for the first time.
Leveled up the Demi-fiend for the first time.
Emerged victorious from battle for the first time.
Used a Terminal's Amala Drum for the first time.
Received your first Magatama.
Unlocked all achievements.
Completed the game on NORMAL.
Created the world of Shijima.
Created the world of Musubi.
Created the world of Yosuga.
Destroyed all hopes of creation.
View all the endings.
Mastered all Magatama.
Maxed out all the Demi-fiend's stats.