2. Story is going on a beautiful tropic islands (more green and blue colors in game, sea water looks 10 times better, trees and plants look almost photo realistic, also moves on bullet shots)
3. Better graphics with DX 10
4. Better storyline and atmosphere
5. Better characters (Psycho is legend)
6. Better Physics, interaction and destructible environment
7. More human opponents and less alien crap
8. More animals (birds, turtles, insects, fishes.... )
9. Suit voice more pleasant to hear
10. Epic soundtracks