Enemy 17 is a large, yellow flying drone that will fire waves of bullet in a cone shape towards Rover. In the first of it's attacks it will shoot a wave of 3 bullets and a wave of 4 bullets repeatedly. In it's second attack it will shoot bullets randomly out towards the player. Once it has spotted Rover it will immediately attack, leaving little time to shoot it. It has medium health and can be hard to kill because of it's difficult attacks.