Ok, first of all, Hitman: Absolution is a typical Hitman, apart from instinct and point shooting. Only the Contracts mode is straight A to B. There's a couple of "stages" to complete before killing anyone, but that's normal, in most occasions, since the targets aren't really in the open, waiting for you. I understand people can complain about this, but I think it's the most normal thing to happen. In Blood Money, the first part of the first mission is just passing through a Carnival fair and then kill the target. In Absolution, it takes a little longer, BUT it's more engaging. This is more based in opinions than anything else, actually. The Story Mode is like any Hitman, you got a target. How you neutralize it, it's your problem. Neutralize and keep low profile. Now I've seen some reviews saying the game is completely different. I don't know which game are you playing for the last years, but this is essentially a Hitman game. The covers are perfect, for me, although I preferred I could climb through a window without having to lean on the wall, specially in heated situations, but it wasn't a game breaker. Without much spoilers, there's "Bosses" in this game. Can't reveal more without spoiling it, so...
The instinct isn't so much special, if you play Hitman like the older ones, apart from the Point Shooting. Yes, if you see an enemy and if he's walking, you can see his future trail, but it didn't help me that much, mainly because I tend to play it stealthy. The visuals are amazing, in my perspective. And even on medium resolutions, the detail is amazing. For some characters, at least.
SPOILERS, MOTHERFUCKERS
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I will have to spend more time with it to really give more details and whatnot.