1. the option to have mines or barrels left behind dead hogs instead of tombs, in other words, if a hog dies, it leaves behind a mine or a barrel

2. improved physics, the option to have the landscape hurt you, like if the landscape is broken and leaves a piece of land floating, it should fall down and if a hog is underneath, it will hurt him or kill him, or even better, the piece would have a center of gravity and would fall on it's side.
and it would be awesome if it would also have a breaking point, if you shoot at the base of a weak piece of land, it would break from the weakest part of the bottom and fall, hopefully over hogs