20 All that glittersCollect 8 gold items
20 Ammunition upgradeUnlock the Ammunition upgrade perk
20 Armor upgrade IUnlock the Armor upgrade I perk
20 Armor upgrade IIUnlock the Armor upgrade II perk
20 Bathhouse combat masterAchieve gold medal for this challenge map
20 Bombenschuss clip upgradeUnlock the Bombenschuss clip upgrade perk
20 Cable car platform combat masterAchieve gold medal for this challenge map
20 Carry heavy machinegunUnlock the Carry heavy machinegun perk
20 Caves combat masterAchieve gold medal for this challenge map
20 Die, Grosse, die!Complete all nightmare levels
20 Docks nightmareComplete the nightmare in chapter 2
20 Eagle EyeUnlock the Eagle Eye perk
20 Escape! nightmareComplete the nightmare in chapter 4
20 German Alps nightmareComplete the prologue nightmare
20 Glittering goldCollect 16 gold items
20 Gold masterCollect 64 gold items
20 Graveyard combat masterAchieve gold medal for this challenge map
20 Grenade beltUnlock the Grenade belt perk
20 Guten tag!Complete the nightmare boss level
20 Health upgrade IUnlock the Health upgrade I perk
20 Health upgrade IIUnlock the Health upgrade II perk
20 Health upgrade IIIUnlock the Health upgrade III perk
20 HeroComplete game on any difficulty
20 Kampfpistole ammo storage upgradeUnlock the Kampfpistole ammo storage upgrade perk
20 Keep foyer combat masterAchieve gold medal for this challenge map
20 Old town nightmareComplete the nightmare in chapter 7
20 Paderborn bridge combat masterAchieve gold medal for this challenge map
20 PaperboyCollect 5 letters
20 PostmanCollect all letters
20 Prison docks combat masterAchieve gold medal for this challenge map
20 Prison nightmareComplete the nightmare in chapter 1
20 Quick turnUnlock the Quick turn perk
20 Reload mashUnlock the Reload mash perk
20 Research centre combat masterAchieve gold medal for this challenge map
20 Ruins nightmareComplete the nightmare in chapter 6
20 Schockhammer clip upgradeUnlock the Schockhammer clip upgrade perk
20 Super heroComplete game on I AM DEATH INCARNATE! (or UBER)
20 The ecstasy of goldCollect 32 gold items
20 Tough SkinUnlock the Tough Skin perk
20 Uber heroComplete game on UBER
20 VampireUnlock the Vampire perk
20 Wolfenstein Keep nightmareComplete the nightmare in chapter 3
20 Workshop combat masterAchieve gold medal for this challenge map
20 Wulfburg nightmareComplete the nightmare in chapter 5
20 Wulfburg square combat masterAchieve gold medal for this challenge map