I think that now is better if Microsoft removes Gamerscore and achievements..
Too many people judge a game only on the achievements.. (also myself, i am not going to buy this game only because of these achievements..)
born of the achievements consequences?
Much more collectibles, kill someone in the modes described, hordes, leveling up and prestige..
Game with a story of 5/10h, with the collectibles under your feet because it's boring to search around, all the game focused on a guy with some weapons and you have to shoot at everything that move..
Very fun, thanks Microsoft..
This is the era of FPS/TPS every game is going to transform into one of these 2 categories..
At least until there will be people who play..