Sentry bot (Fallout 2)

Sentry bots are bipedal assault robots encountered in Fallout 2.

Characteristics
Although these models are antiquated, they represent a significant danger in the wasteland if armed with a rocket launcher or minigun. The robotic missile launcher can easily knock down the Chosen One's party, and deal severe damage to all of its members. The minigun can be even more devastating, especially up close; fortunately, most robots are armed with either one weapon or the other, if any at all. This is particularly noticeable in the Sierra Army Depot or the oil rig, where few of the robots are actually provided with the right weapons.