Let’s get this out of the way up front: Hitman Absolution is a weird game. It’s a considerable departure from the rest of the series, trading in wide-open, puzzle-like levels and a negligible plotline ...
In Hitman, when you are hidden, you know you are hidden, it's not all hit and miss like the other game. This doesn't mean it's easy however, I actually got killed once so far on the Prologue mission ...