User blog comment:AndImBatman/Why Call of Duty: Ghosts does not deserve it's unwarranted hatred/@comment-71.194.87.135-20131108213656/@comment-25494464-20131108225648

They play a lot more differently. Where as Zombies is a round based wave survival gamemode, Extinction is an objective defense gamemode. I'd say the more similar mode to Zombies is Survival from MW3.