Nation Red achievements

Kill 750,000 zombies

Kill 7 bosses with the Steam Hammer in one game without taking any damage

Kill 1,000,000 zombies

Pick Firestarter and Spark and kill 1000 burning zombies in one game with the Steam Hammer

Kill 500 Big Boy zombies on the The Field barricade map in one game

Have 20 simultaneously active mines on The Field barricade map

Kill 250 bosses in one or more On-line coop games

In one game, kill 500 zombies with the dynamite powerup

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

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

Kill 250 burning zombies with an axe in one game

Fire 10000 bullets in Free Play, Barricade or Survival mode while not receiving any zombie damage