User blog comment:FromDvToZombies/Revelations "The Gift" Director's Cut) released! If you are a true zombies fan, this will make your eyes water./@comment-1916935-20161004222257/@comment-1187559-20161005205150

Mind you, those were endings you could achieve in addition to the "normal" ones. Zombies only gives you story/endings by performing these mundane tasks.