darkredshift: because they're all shit ( with the possible exception of evolve)
synfresh: Shadow of Mordor is very good as well.
People can hate or complain about COD games, but even if the story is always the same messy barely non-plot war thing, with never have a big innovation in terms of gameplay, and the multiplayer is over and over the same thing with different graphics, even with all that, COD games are very SOLID products, that bring you many hours of gameplay with enough diversity to be very appealing. Specially Treyarch did very well in the last years, with the Zombies thing, plus more interesting campaigns, and some slight innovations on the Multiplayer.
COD is a game that worth to pay the money that costs in terms of satisfaction in their users, yes, it is a mainstream product, it is not a special, or different jewel, but frankly speaking it is far away from being a BAD game.
RYSE is the worst game in that list, and I didn't tried Evolve, but looks a bit like a "failed" product for similar reasons to TITANFALL, you can only do "multiplayer focused games" if you have the biggest advertisement machine with you, check DESTINY, most overated multiplayer game in the last years.