I fired the homing rocket launcher weapon pickup at the boss, the rocket flew very fast around the queen in a tight orbit then instantly killed the queen (only one life bar down at time of death). This caused the game to bug out and not end the round until the timer ran out. when the timer ran out the helicopter came and flew over but never landed. Eventually the game just randomly ended by showing the map vote but all players were still moving around and fighting zombie waves like the game was still going. I am not sure if credits were calculated or not as none of that was shown to us before the host closed connection.