As I mentioned at the top, «Escalation» includes 4 new multiplayer maps: «Zoo», «Hotel», «Convoy», «Stockpile» and one new zombie map named «Call of the Dead». (cogconnected.com)
The multiplayer maps are well designed and Die Rise is a brilliant new zombies map, filled with Easter Eggs. (metacritic.com)
«It starts with the massive amount of content that Revolution offers: four distinct multiplayer maps, an entirely new Zombies map and new Zombies mode, and a new bonus weapon. (mkaugaming.com)