Provided is a targeting system 10 for a robot gaming environment which includes a transmitter 12 on a target robot 16 and a directional receiver 14 on an attacking robot 18 which system 10 is able to ameliorate the accuracy of a firing means of the attacking robot 18. The receiver 14 includes a housing 24 which defines an elongate channel with an opening therein which allows the receiver 14 to only receive electromagnetic signals 20 from the transmitter 12 if the opening is pointed directly at the target robot 16.