Do you remember that scene from Ratatouille when Anton Ego (the food critic) tastes Little Chef's dish and gets taken back to his childhood? That is exactly what I felt with this game. Good old 6DOF, this has been the best gaming experience I've had in a long time. The AI is competent and challenging without being frustrating (I play in the "ACE" difficulty, mouse+KB), you do feel like a badass in your little gunship but if you get cocky you'll get yourself killed fast. I wholeheartedly recommend this even at its full price.