Four of gameplayer's editors have engaged in this article regarding whether or not their should be a Halo 4, and if there should be, what guidelines Mircosoft should keep to in its development. It asks you what you think, to?
"But with Halo 3 bringing the trilogy to a nice, neat close, and developer Bungie Studios released from under Microsoft's wing, the most bankable star of this generation is in limbo. Microsoft are continuing on with the Halo brand with – of all genres – the RTS Halo Wars, and Peter Jackson – yeah the movie guy – is busying himself in the episodic Halo Chronicles concept, but what of a Halo 4? A true sequel. Will it happen? Can it happen, Should it happen? We put the question to four of our best…"