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