Multi Kills Medals

Slaughter

Killed 5 Zombies rapidly with a Weapon

Massacre

Killed 10 Zombies rapidly with a Weapon

Carnage

Killed 15 Zombies rapidly with a Weapon

Bloodbath

Killed 20 Zombies rapidly with a Weapon

Extermination

Killed 25 Zombies rapidly with a Weapon

Lifedrinker

Killed 30 Zombies rapidly with a Weapon