Okay, so first I was like: they are making a mockery out of all the seriousness that just happened, what the hell.
But by the end I was like: this is so ridiculous, it doesn't even matter, lol.
But I do have to say, any game designer who can put Skrillex in the credits song, and then Avenged Sevenfold directly after...just has a fucking awesome taste in music.