This should work, can't test: room flags passed in room info message instead of just 'in-game' state, including 'in-game', 'restricted joins', 'registered only' and 'passworded' flags
AAAAw3icJc6xDcIwEAXQz+niWBhkiggxAS0djZs0kYVASFmBBWiYw0xAQ5sOV7SZgBpKRvAC+Ezz9PWlfzrd8BHmyzvwiTvoFe7QTf0AAoaIUO9hrwUMpQN56iN5tcT8U6C+dKADuzi7scsHeJuEnCaXJOSkXklAtWaXBBjDbRJKF/7dgtsgyPYcBNm+gwBtaTNqqzyqJ3fj1Oeff4W8JYk=