Kill 750,000 zombies

Survive for the first 5 minutes in Survival mode without taking any damage

Kill 1000 zombies in a single Survival game

Survive for 10 minutes in a single Survival game

Collect 100 Nation Red achievements

In a Free Play or Barricade game, choose the Friendly Fire perk and use the M107 to kill 50 suicide bombers

In Free Play or Survival, kill 100 zombies within the first 30 seconds of the game

Survive for 15 minutes on the Prison barricade map

Survive for 30 minutes on the Prison barricade map

Without receiving any damage from the start of a game, pick up a nailgun and fire 5000 nails

In one game, kill 5000 zombies using any type of explosion

Kill 10,000 zombies

Kill 100,000 zombies

Kill 5 butcher bosses in one barricade game within the first 25 waves

Kill 3 grenade bosses in one barricade game within the first 20 waves

Kill 7 machine gun bosses in one barricade game within the first 30 waves

Kill 10 minigun bosses in one game

Reach wave 15 on The Farm map without any damage to the scarecrow

Reach wave 21 on the Asylum map without moving below the top barricade

Reach wave 31 on Asylum without moving below the middle barricade and staying above the top barricade until wave 21

Reach wave 41 on Asylum, staying above the top barricade until wave 21 and above the middle barricade until wave 31

Kill 3 Grenade Bosses in one game on Cemetery Free Play without using any grenades during the game

Kill 6 Grenade Bosses in one game on Cemetery Free Play without using any grenades during the game

Reach Wave 10 in an On-Line Barricade game