About Crysis...
It uses forward rendering for the lights and the sunlight is just directional lighting. No ray tracing:

The end result is an unrealistically flat image, the arm and the hat do not cast shadows. However, Crysis 2 was announced to (finally) implement deferred lighting:
http://www.incrysis.com/forums/viewtopic.php?id=27883
Deferred lighting in Killzone 2:
http://www.youtube.com/watch?v=LCEkoecEI8k







