well in this project I don't seeimpossibilitiesbut I seedifficulties this could be done in about 2-5 years and Microsoft didn't just made that 300,000 number up but I think that there will be one map that is ridiculously huge and that would fit 300,000 players and the game would be a little more social and on the other hand this would be called super MMO and imagine 300,000 players are in one virtual world exploring meter by meter and In my opinion I think it would be fun to play