Exterminate 1,000 zombies
Exterminate 2,000 zombies
Exterminate 5,000 zombies
Exterminate 10,000 zombies
Exterminate 15,000 zombies
Exterminate 20,000 zombies
Exterminate 30,000 zombies
Exterminate 40,000 zombies
Exterminate 50,000 zombies
Exterminate 60,000 zombies
Exterminate 70,000 zombies
Exterminate 80,000 zombies
Exterminate 90,000 zombies
Exterminate 100,000 zombies
Exterminate 250,000 zombies
Exterminate 500,000 zombies
Exterminate 750,000 zombies
Exterminate 1,000,000 zombies
Exterminate 5,000,000 zombies
Exterminate 10,000,000 zombies
Exterminate 50,000,000 zombies
Exterminate 100,000,000 zombies
Exterminate 150,000,000 zombies
Exterminate 200,000,000 zombies
Exterminate 250,000,000 zombies
Exterminate 300,000,000 zombies
Exterminate 330,000,000 zombies