If I am not mistaking the only thing that changes as you up the difficulty is the availability of materials, ammo, resources etc. The stealth and enemies are the same no matter what difficulty. Also, they intentionally make the game really hard in the beginning, especially the first few clicker battles, to give the player a sense of scale of what you find yourself getting into. IMO, the game progressively gets easier the farther you get...This was my GOTY until I played AC4. AC4 on PS4 is simply a better game and the best game it its series. Speaking of difficulty, have you played Max Payne 3 on the hardest difficulty? I think I died more playing that than any other game. Well maybe not DooM2 on Nightmare...I beat that as a kid and simply cannot do it now. HAH
