yes, its used in ALOT of tournaments aswell. And its not kiddy, even though i dont like the game, there's no reason to call people kids for playing it.
Well the did start somewhere in the Human and Prophet alliance before the ancient war. As pets lol, then they went rogue. And an intelligence was born.
ill actually prefer it if they left it alone, i hated Minecraft after they updated it to 1.8, took the 'fun' away from it, i just liked the classic feel and the simplistic feel to it.
Frank O'Conner stated in an interview, that he will be giving more information in the Summer (winter for australia ) and that FireFight was replaced with Spartan OP's.
Frank OConner said in an interview the reason they changed it is because they wanted us to see their spiky teeth and evil mouth, only artistic, not a species change.