Defeat all the waves in any Survival Mode map
Complete Campaign Mode on Normal difficulty
Complete Campaign Mode on Hard difficulty
Reach the zombie wave in each Survival map
Do 10 combos of 20 hits or more
Kill a Survival Boss with no traps or grenades
Buy nothing for 10 straight waves of Survival
Beat a Campaign level with no ranged attacks
Buy everything in Survival Mode
Kill 50 enemies with the heavy object smash
Rescue 50 Civilians From The Militia
