Here is the full list of all 36 Lost Dimension achievements.
Acquire all trophies.
Witness the true ending.
Unmask the full might of The End and defeat him.
Clear all quests.
Complete all quests with an S rating.
Collect all Tips files.
Strengthen your bond with Sojiro.
Strengthen your bond with Mana.
Strengthen your bond with George.
Clear the final stratum.
Clear the game by erasing only traitors.
Defeat five enemies at once.
Clear the fourth stratum.
Unlock all Gift abilities for a character.
Strengthen your bond with Marco.
Strengthen your bond with Toya.
Strengthen your bond with Yoko.
Strengthen your bond with Himeno.
Use defer twenty times.
Strengthen your bond with Nagi.
Strengthen your bond with Zenji.
Strengthen your bond with Agito.
Clear the third stratum.
Perform an attack with five assists.
Clear the second stratum.
Defeat an enemy with a berserk character.
Succeed in a Deep Vision.
Score an S rating in a quest.
Clear a stage using very few turns.
Defeat twenty enemies together with a comrade.
Label someone with a red marker in the Vision screen.
Clear the first stratum.
Create a weapon from energy with the Generator.
Unlock one Gift skill.
Discover a Tips file.
Clear a quest for the first time.