Farm Invasion USA

The vile aliens are lack of popcorn and they go to supplement their reserves to Earth. Their goal is harvest corn fields belonging to the rural family that doesn't suspect anything. Naive humanoids thought that the farmers are very simple ? but no such luck. This farm will become a living hell for the alien invaders, and the forage for corn will be natural Death Reaper. Pick a rich harvest of the newcomers, squinting at their root and shooting at the UFO from different weapons. You're a farmer. One day the aliens landed in your corn field and begin to destroy it. Your goal is to destroy the aliens and save your property.