I just beat Leviathan in Resistance 2, How close am I to the end?

[Bullet100000]

Man this game is so fun and I haven't even started on the online yet.  I'm still on the campain mode sometimes I jump out of my seat when I get attacked by ac himera in the dark but I absolutly love the game.  Ok back to the question How close am I to the end?

Please no spoilers Thanks guys.