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