Userscript: removes all the IndieRoyale bundles (royals) you haven’t bought from your collection page.

IndieRoyaleHiderOfMisses.user.js

// ==UserScript==
// @name         IndieRoyale Hider of Misses
// @namespace    http://zegnat.net/
// @version      0.1
// @description  Removes all the bundles you haven’t bought from your collection page.
// @author       Martijn van der Ven
// @license      MIT <http://opensource.org/licenses/MIT>
// @match        http://www.indieroyale.com/collection
// @grant        none
// ==/UserScript==

var kept = 0,
    boxes = document.getElementsByClassName("deal"),
    boxes_length = boxes.length;
while (kept < boxes_length) {
    if (boxes[kept].children[0].tagName === 'DIV') {
        boxes[kept].parentNode.removeChild(boxes[kept]);
        boxes_length -= 1;
    } else {
        kept += 1;
    }
}