Bandai Namco has revealed a brand new Gundam game called Gundam Rogue Orbit. The reveal trailer shows a lot of different giant mechs fighting each other, with many having some kind of animal form. You can check out the full trailer below.
At the moment, there is not much known about Gundam Rogue Orbit, except this seems to be some kind of mission to find someone or rescue them. Aside from that the only information we have is that the game will be out in 2027.
Source: Summer Game Fest
