Rob Fahey has an editorial up on Eurogamer called “Genetically Modified Gaming” which makes the case that Call of Duty 4: Modern Warfare is lifting the key elements of an MMO, and is in fact the most important MMO release of the year.

This definitely echoes things I have said in the past about the ways in which online gaming is taking over single-player gaming. After all, the CoD series has always been about strong single-player narrative despite its multiplayer component. With the latest installment, there’s lots of MMOish things like persistent character advancement snuck in there.

On the other hand, I think it is worth asking if this is really what we want:

Player retention and the science of addiction is being expanded upon in innovative, groundbreaking ways

Put that baldly, it’s rather disturbing. I don’t want my games to be about the science of addiction! There are a lot of other qualities brought to the table by virtual worlds, and to my mind, it’s these other qualities that are better.