Here is the full list of all 50 Wolfenstein: The New Order (DE) achievements.
Solve the first Enigma code
Complete game on any difficulty
Release friend
Unlock demolition perk 8
Defeat the London Monitor
Unlock tactical perk 4
Unlock demolition perk 2
Unlock tactical perk 8
Unlock assault perk 8
Locate the underwater stash
Collect 25 gold items
Unlock assault perk 6
Find the Laserkraftwerk
Unlock demolition perk 1
Unlock assault perk 1
Locate the resistance
Unlock stealth perk 8
Unlock tactical perk 3
Unlock stealth perk 3
Unlock stealth perk 2
Unlock tactical perk 2
Choose to save Wyatt
Unlock stealth perk 7
Unlock stealth perk 5
Unlock tactical perk 1
Unlock stealth perk 1
Save allied planes
Choose to save Fergus
Complete game on I AM DEATH INCARNATE! (or ÜBER)
Complete game on ÜBER
Collect all gold items
Collect all letters
Solve the second Enigma code
Solve the third Enigma code
Solve the fourth Enigma code
Unlock stealth perk 4
Unlock stealth perk 6
Unlock tactical perk 5
Unlock tactical perk 6
Unlock tactical perk 7
Unlock assault perk 2
Unlock assault perk 3
Unlock assault perk 4
Unlock assault perk 5
Unlock assault perk 7
Unlock demolition perk 3
Unlock demolition perk 4
Unlock demolition perk 5
Unlock demolition perk 6
Unlock demolition perk 7