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>
    <allimages aicontinue="20131216054609|Con_AtariPaddles.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="Mindlink2.jpg" timestamp="2013-12-16T05:57:37Z" user="Peenmaster" url="https://retrogooning.com/images/a/a9/Mindlink2.jpg" descriptionurl="https://retrogooning.com/wiki/File:Mindlink2.jpg" ns="6" title="File:Mindlink2.jpg" />
      <img name="Con_FlightCommander.jpg" timestamp="2013-12-16T05:48:37Z" user="Peenmaster" url="https://retrogooning.com/images/6/65/Con_FlightCommander.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_FlightCommander.jpg" ns="6" title="File:Con FlightCommander.jpg" />
      <img name="Con_ExusFootCraz.jpg" timestamp="2013-12-16T05:48:24Z" user="Peenmaster" url="https://retrogooning.com/images/a/a5/Con_ExusFootCraz.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_ExusFootCraz.jpg" ns="6" title="File:Con ExusFootCraz.jpg" />
      <img name="Con_CosmicCommander.jpg" timestamp="2013-12-16T05:48:08Z" user="Peenmaster" url="https://retrogooning.com/images/0/0a/Con_CosmicCommander.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_CosmicCommander.jpg" ns="6" title="File:Con CosmicCommander.jpg" />
      <img name="Con_CBSBoosterGrip.jpg" timestamp="2013-12-16T05:47:26Z" user="Peenmaster" url="https://retrogooning.com/images/2/2a/Con_CBSBoosterGrip.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_CBSBoosterGrip.jpg" ns="6" title="File:Con CBSBoosterGrip.jpg" />
      <img name="Con_AtariXELightGun.jpg" timestamp="2013-12-16T05:47:17Z" user="Peenmaster" url="https://retrogooning.com/images/8/8e/Con_AtariXELightGun.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_AtariXELightGun.jpg" ns="6" title="File:Con AtariXELightGun.jpg" />
      <img name="Con_AtariTrackNField.jpg" timestamp="2013-12-16T05:47:08Z" user="Peenmaster" url="https://retrogooning.com/images/e/e2/Con_AtariTrackNField.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_AtariTrackNField.jpg" ns="6" title="File:Con AtariTrackNField.jpg" />
      <img name="Con_AtariTouchPad.jpg" timestamp="2013-12-16T05:46:55Z" user="Peenmaster" url="https://retrogooning.com/images/f/f5/Con_AtariTouchPad.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_AtariTouchPad.jpg" ns="6" title="File:Con AtariTouchPad.jpg" />
      <img name="Con_AtariSpaceAgeJoystick.jpg" timestamp="2013-12-16T05:46:36Z" user="Peenmaster" url="https://retrogooning.com/images/0/0a/Con_AtariSpaceAgeJoystick.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_AtariSpaceAgeJoystick.jpg" ns="6" title="File:Con AtariSpaceAgeJoystick.jpg" />
      <img name="Con_AtariRemoteControllers.jpg" timestamp="2013-12-16T05:46:23Z" user="Peenmaster" url="https://retrogooning.com/images/d/d6/Con_AtariRemoteControllers.jpg" descriptionurl="https://retrogooning.com/wiki/File:Con_AtariRemoteControllers.jpg" ns="6" title="File:Con AtariRemoteControllers.jpg" />
    </allimages>
  </query>
</api>