We need more films like this. Clearly the budget was pretty small. We saw the same cut of a helicopter swooping for no reason several times. In fact at the start, maybe within the first few minutes, we saw a lot of the same cuts of the military advancing. The locations were few, also scouted on the cheap. In fact, nothing was too over-the-top Fx wise, location wise, even extras wise. But is still managed to be tense and entertaining. In conveyed at times an extremely claustrophobic atmosphere without actually leaving the farm house. It conveyed a real sense of danger (amped up by the pres...