^That's basically just TOD modifications so if you can run vanilla Crysis, you can run those - side note: those shots were obviously originally taken at a very high res as seen from the complete lack of aliasing.
Edit: @ Nebula
What's the name of that tree pack you're using? They look insanely realistic!
Edit: @ Nebula
What's the name of that tree pack you're using? They look insanely realistic!