Hero 20 Complete game on any difficulty Super hero 20 Complete game on I AM DEATH INCARNATE! (or ÜBER) Über hero 20 Complete game on ÜBER Die, Grösse, die! 20 Complete all nightmare levels German Alps nightmare 20 Complete the prologue nightmare Prison nightmare 20 Complete the nightmare in chapter 1 Docks nightmare 20 Complete the nightmare in chapter 2 Wolfenstein Keep nightmare 20 Complete the nightmare in chapter 3 Escape! nightmare 20 Complete the nightmare in chapter 4 Wulfburg nightmare 20 Complete the nightmare in chapter 5 Ruins nightmare 20 Complete the nightmare in chapter 6 Old town nightmare 20 Complete the nightmare in chapter 7 Guten tag! 20 Complete the nightmare boss level Research centre combat master 20 Achieve gold medal for this challenge map Prison docks combat master 20 Achieve gold medal for this challenge map Keep foyer combat master 20 Achieve gold medal for this challenge map Cable car platform combat master 20 Achieve gold medal for this challenge map Caves combat master 20 Achieve gold medal for this challenge map Paderborn bridge combat master 20 Achieve gold medal for this challenge map Wulfburg square combat master 20 Achieve gold medal for this challenge map Workshop combat master 20 Achieve gold medal for this challenge map Bathhouse combat master 20 Achieve gold medal for this challenge map Graveyard combat master 20 Achieve gold medal for this challenge map Paperboy 20 Collect 5 letters Postman 20 Collect all letters All that glitters 20 Collect 8 gold items Glittering gold 20 Collect 16 gold items The ecstasy of gold 20 Collect 32 gold items Gold master 20 Collect 64 gold items Eagle Eye 20 Unlock the Eagle Eye perk Health upgrade I 20 Unlock the Health upgrade I perk Health upgrade II 20 Unlock the Health upgrade II perk Health upgrade III 20 Unlock the Health upgrade III perk Armor upgrade I 20 Unlock the Armor upgrade I perk Armor upgrade II 20 Unlock the Armor upgrade II perk Ammunition upgrade 20 Unlock the Ammunition upgrade perk Grenade belt 20 Unlock the Grenade belt perk Vampire 20 Unlock the Vampire perk Kampfpistole ammo storage upgrade 20 Unlock the Kampfpistole ammo storage upgrade perk Schockhammer clip upgrade 20 Unlock the Schockhammer clip upgrade perk Bombenschuss clip upgrade 20 Unlock the Bombenschuss clip upgrade perk Carry heavy machinegun 20 Unlock the Carry heavy machinegun perk Reload mash 20 Unlock the Reload mash perk Quick turn 20 Unlock the Quick turn perk Tough Skin 20 Unlock the Tough Skin perk Secret Achievements Secret Achievement 20 Continue playing to unlock this secret achievement. Secret Achievement 20 Continue playing to unlock this secret achievement. Secret Achievement 20 Continue playing to unlock this secret achievement. Secret Achievement 20 Continue playing to unlock this secret achievement. Secret Achievement 20 Continue playing to unlock this secret achievement. Source - X360A
