In the game Last Line of Defense, we will be transported to the technogenic world. You work as a security chief at one of the robot manufacturing plants. One evil genius decided to steal drawings of the latest developments and for this he collected several robots and sent them to you to the plant, you must protect your property. For this, on the way of movement of robots you will be able to install various defensive structures that are capable of firing around everything that moves. Destroying the enemy, you will earn game points. On the right there will be a panel on which icons of other constructions that you can build are visible. Once you score a certain number of points you can choose the building you need.