Games That Were Suppose To Sell Very Well/Huge, But Failed to Do So? (Devs+Publishers Expectations, not Fans)

[Faust]

Alex_The_Hedgehog said:
I remember something about Spec Ops: The Line.

i agree spec ops: the line didnt sold that well but i cant picture the  developers or the publisher anticipating a huge succes for this particular title, if anything i see this game as an experiment, a gamble if you will.