I dunno about Halo, but yeah Portal is creative.
But Call of Duty lost my respect, since now Activision
doesn't make it for people to enjoy, they make it for
money... :/
A third-person shooter that was released in 2012, was
very emotional. It's called Spec Ops: The Line. I only
bought it because it was on sale, but it was purely amazing,
creative and emotional.