Here is the full list of all 39 Death end reQuest achievements.
View each and every possible outcome.
View Lydia's ending.
View Celica's ending.
View Lucil's ending.
View Clea's ending.
View Al's ending.
View Lily's ending.
View Shina's ending.
View the normal ending.
Clear Chapter 11.
Defeat the final boss.
Collect 80 of the episodes.
Clear Chapter 10.
Clear Chapter 9.
Transform into Glitch Mode countless times.
Transform into Glitch Mode a handful of times.
Clear Chapter 8.
Clear Chapter 7.
Collect half of the episodes.
Defeat a powerful enemy in the Pain Area.
Defeated countless enemies.
Visit the Strain Area for the first time.
Clear Chapter 6.
Learn 50 skills using Flash Drive.
Clear Chapter 5.
Clear Chapter 4.
Clear Chapter 3.
Clear Chapter 2.
Use a Summon for the first time.
Clear Chapter 1.
Use a Code Jack for the first time.
Use Install Genre for the first time.
Switch over into the real world.
Rest in camp for the first time.
Clear the Prologue.
Enter Glitch Mode for the first time.
Perform a Flash Drive for the first time.
Connect a Knockback combo with a party member for the first time.
Perform a Knockback for the first time.