Many of the emails I receive ask the same questions and so I have compiled a list of the most frequently asked questions here in order to save you the hassle of having to ask.
Of course it is! Room-based and arena games are fairly easy to do on the server side, you simply need to make note of who is in each room and then subscribe to the ConnectionService.onDistribute event to distribute messages to only those in the room.
DarkRift 2 is also going to have some very nice features that will make room based games even easier to build: they'll allow you to communicate between servers, spawn new instances of servers and also create object based servers.
Definitely! MMO's aren't easy to build as they require quite extensive knowledge before you take up the challenge but DarkRift is perfectly suited for them.
In DarkRift 2 there will also be even better support for splitting players across a large numbers of servers and communicating between those servers more easily making it a prime candidate for any MMO.