my %rooms = (
    frontyard => Rooms->new(
        1, 'Front Yard',
        'You\'re standing in the front yard looking at the rundown house.',
        Directions->new( 'hallway', 'exit' )
    ),

    hallway => Rooms->new(
        2, 'Hallway',
        'Long and narrow with flickering lights.',
        Directions->new( 'backyard', 'frontyard', 'bedroom', 'kitchen' )
    ),
.
.
.
.etc