People on my Lawn 3 is a thinking game. Think smart when you're playing this game. You don't only need to be smart, but you must be creative to put the magnet that will control your rocket to kill those astronaut. There is one way that might help you kill those astronaut by one shoot, but it's not easy to do as there is only one point that can be true to kill them all. Complete all stage as fast as possible. Using a short time will help you to get best rank.