Here is the full list of all 50 Wolfenstein: The New Order achievements worth 1,000 gamerscore.
Solve the fourth Enigma code
Solve the third Enigma code
Solve the second Enigma code
Collect all gold items
Collect all letters
Solve the first Enigma code
Unlock demolition perk 7
Unlock assault perk 7
Unlock demolition perk 5
Unlock tactical perk 7
Collect 25 gold items
Unlock assault perk 5
Unlock tactical perk 6
Unlock demolition perk 6
Unlock demolition perk 4
Choose to save Wyatt
Unlock assault perk 8
Complete game on I AM DEATH INCARNATE! (or ÜBER)
Complete game on ÜBER
Unlock demolition perk 8
Complete game on any difficulty
Release friend
Unlock tactical perk 5
Defeat the London Monitor
Unlock tactical perk 8
Unlock tactical perk 4
Unlock assault perk 6
Unlock stealth perk 6
Unlock demolition perk 3
Unlock stealth perk 5
Unlock stealth perk 4
Unlock assault perk 4
Locate the underwater stash
Unlock tactical perk 2
Unlock assault perk 3
Unlock tactical perk 3
Unlock demolition perk 2
Unlock tactical perk 1
Unlock assault perk 2
Unlock assault perk 1
Unlock stealth perk 8
Find the Laserkraftwerk
Locate the resistance
Unlock stealth perk 3
Unlock stealth perk 7
Choose to save Fergus
Unlock demolition perk 1
Unlock stealth perk 2
Unlock stealth perk 1
Save allied planes