Board Thread:Support Requests - Getting Technical/@comment-34951514-20191206164448/@comment-1038387-20191206183113

That's a portable infobox. You can add the gallery to the page if you edit the page in Source Mode - I don't think it's possible in Visual Editor.

Replace: With this:
 * image1 = Keycard Level 1.png
 * image1 =

Or whatever other images you want to add.