Kill 30 enemies with the MP40

Kill 20 enemies melee-attacking from behind

Find 45 treasures

Kill 20 enemies with the Desert - 5

Find 35 treasures

Kill 50 enemies in a row without dying

Kill 20 enemies with the Wes - 44

Kill 100 enemies with headshots

Kill 20 enemies by shooting from the hip (without aiming with the L1 button)

Find the Strange Relic

Reach the zombie wave in each Survival map

Buy everything in Survival Mode

Spend 5 hours playing community levels