/*
Simply copy and paste it in the developer console on humble bundle after-purchase page, where all download links are available.
It uses a timeout for avoiding the browser to block the popup.
*/
document.querySelectorAll('div.downloads div.download a.a').forEach(e => {
 setTimeout(() => {
  if (e.href.indexOf('//dl.') != -1) {
   window.open(e.href, '_blank')
  }
 }, 2000);
})