text: var Sfx = {};
  
  Sfx.play = function(name, volume) {
      if (game.introMode) return;
      new Howl({
          urls: ['.ogg', '.mp3'].map(function(e) { return 'sfx/' + name + e; }),
          autoplay: true,
          volume: volume != null ? volume : 0.25
      });
  };
  