This game has been well established as a SOLO game.
But, now, Crystal Dynamics decides to put in co-op play and 15 of the achievements are dependent on that mode.
In all of the developers' interviews I've seen, their response to the question: "We felt it was time."
That's it?? Or are they just trying to ride on Uncharted's multi-player popularity?
So much for our favourite heroine playing alone!