Algodoo

Get the chance to control a robotic turrert:use num 8 and num 2 for aim and control to shot.System uses an circle-spawner script, so you don't have to worry about lack of ammo .Free feel to add it on a vehicle using the purple thing (after ungluing it from the background).Make sure you connect it to a non-colliding brick when you place it on a vehicle.Red thing isn't an eye:it's the sensor