Video games almost always fail to measure up to the hype they generate during development. It's pretty unusual to see one that under-promises and over-delivers. Indeed, relatively few even manage to meet the expectations they promote. To be fair, this isn't entirely one-sided since many of us tend to look at upcoming titles through our rose-colored glasses. Naturally, relative to how we think or hope they'll turn out, some disappoint more than others.
Read more of Richard Aihoshi's The List: 5 MMOGs That Seriously Disappointed Me .