Realm of the Mad God was able to build a successful game because they were extremely conservative on features -- low-res 2D graphics, no user-generated content,

Realm of the Mad God was able to build a successful game because they were extremely conservative on features -- low-res 2D graphics, no user-generated content, simple game mechanics, limited persistence. DreamWorld is... not that. They're promising features which nobody has successfully brought to market before, with a team which doesn't appear to have any meaningful experience in the industry.