Mmmm... Brains

The Mmmm Brains Medal is awarded for killing 10 humans in a row as the zombie without dying. It is available in all Multiplayer Infection gametypes. It is represented by a bronze medal with a skull. When someone gets this medal the announcer will shout "Mmmm Brains" in a low, eerie voice. This medal will show up in an infection game instead of a Killing Frenzy Medal, rather than appearing with it like the Vehicular Manslaughter Medal. It is thought to be one of the hardest medals to obtain.