User blog comment:Argorrath/Call of Duty: Ghosts Devastation Achievements revealed/@comment-1187559-20140402080549

Oh good, they've hidden Extinction things on the multiplayer maps again. Extinction is a great mode, and I do enjoy playing it, but I wish they would stop ramming it down our throats. Treyarch never started putting a bunch of Zombie related things into their maps and made an achievement out of it.