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