Truth be told, in the leadup to the proper reveal of Planet Zoo 2, with developer Frontier Developments not so subtly teasing it, my immediate thought was, “didn’t that come out already?” Apparently not! For Planet Zoo 2 has in fact now been revealed, and is yet to be released. An announcement trailer shows it off a touch, though not in any mechanical detail, and to be honest my fight or flight is being set off by the human zoo…