The dimensions of Cataclysm

In August 2007 I talked about the dimensions of a MMORPG, defining length, depth, and breadth. And I complained about Wrath of the Lich King offering mainly added length, and completely neglecting breadth, which would be needed for better replayability. In hindsight that looks like a design document for Cataclysm: The Shattering and Cataclysm together add enormous breadth to World of Warcraft, with over 4,000 new quests, two new races, four new starting zones, and so many remodelled zones. But a

World of Warkraft...