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