private void PlaceExplorerInRoom(bool isFirst)
        {
            Rectangle room;

            if (isFirst)
            {
                room = _map.Rooms[0];
            }
            else
            {
                room = _map.Rooms.Last();
            }

            _map.AddExplorer(ActorGenerator.CreateNPC(_level, _map.GetRandomLocationInFirstRoom(room)));
        }