"Created" is a strong word for Microsoft's contribution to Halo, given the original debut of the game at MacWorld: https://www.youtube.com/watch?v=x2RMHeMGDDU
> In the process they created the canonical example of a console first-person shooter
Whatever one thinks about Microsoft's involvement in Halo, it wasn't going to be a console game at all without them. And I don't think it's the game that changes the whole industry if it's not the game that brought PC's biggest genre to consoles in a way that made them feel like they belonged there.