[quote=@Cultural Titan]
[@Mr Allen J]

I'm not actually familiar with armored core. So out of curiosity what about this reminds you of it?
[/quote]

Well: 

1). It's sort of post apocalyptic.

2). Corporations rule the world.

3). There's communities in the sky while people fight over resources on earth (Which was a big plot point in one of the games).

4). There's giant robot tournaments (albeit for different reasons).