You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <alllinks galcontinue="Iframe_//www.youtube.com/embed/5YVNf8f4ueU_height=&quot;360&quot;_width=&quot;640&quot;" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Battlestar Galactica: В поисках дома" missing="" />
      <page ns="0" title="BioShock: на грани Восторга" missing="" />
      <page ns="0" title="Fallout 2014: Alpha&#039;n&#039;Omega" missing="" />
      <page ns="0" title="Hold&amp;Gold" missing="" />
      <page ns="0" title="Iframe //www.youtube.com/embed/-9C6aTs-T2M height=&quot;360&quot; width=&quot;640&quot;" missing="" />
      <page ns="0" title="Iframe //www.youtube.com/embed/3hVwduM0I1E height=&quot;360&quot; width=&quot;640&quot;" missing="" />
      <page ns="0" title="Iframe //www.youtube.com/embed/4u33ihjzfBU height=&quot;360&quot; width=&quot;640&quot;" missing="" />
      <page ns="0" title="Iframe //www.youtube.com/embed/4vR-9NQAPIA height=&quot;360&quot; width=&quot;640&quot;" missing="" />
      <page pageid="78" ns="0" title="D&amp;D" />
      <page pageid="80" ns="0" title="GURPS" />
    </pages>
  </query>
</api>