Choose to save Kessler
Complete all nightmare levels
Complete the prologue nightmare
Unlock the Quick turn perk
Collect 64 gold items
Complete game on any difficulty
Complete game on I AM DEATH INCARNATE! (or ÜBER)
Complete the nightmare boss level
Collect all letters
Complete the nightmare in chapter 7
Unlock the Reload mash perk
Unlock the Grenade belt perk
Unlock the Kampfpistole ammo storage upgrade perk
Choose to save Annette
Unlock the Armor upgrade II perk
Complete the nightmare in chapter 6
Complete the nightmare in chapter 5
Complete part one
Collect 5 letters
Unlock the Schockhammer clip upgrade perk
Unlock the Ammunition upgrade perk
Unlock the Health upgrade III perk
Complete the nightmare in chapter 4
Collect 32 gold items
Unlock the Bombenschuss clip upgrade perk
Escape Castle Wolfenstein
Unlock the Health upgrade II perk
Unlock the Vampire perk
Unlock the Armor upgrade I perk
Unlock the Eagle Eye perk
Complete the nightmare in chapter 3
Collect 16 gold items
Complete the nightmare in chapter 2
Collect 8 gold items
Complete the nightmare in chapter 1
Unlock the Health upgrade I perk
Infiltrate Castle Wolfenstein
Complete game on ÜBER
Achieve gold medal for this challenge map
Unlock the Carry heavy machinegun perk
Unlock the Tough Skin perk
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