Where this game differentiates itself is through the use of Skells, giant mechs that, once you've put a few hours into the game, you'll be able to board and control in battle. (tmrzoo.com)
Halfway through the journey, you gain the ability to pilot mechs that are known as Skells. (videochums.com)
And then, just as you think you've seen everything and have made sense of the world, you get Skells, and it almost becomes a different game - like all your best anime / transformers movie dreams in one! (videochums.com)