>>11 can't you write one yourself?
// ==UserScript==
// @id QuizRND
// @name QuizRND
// @version 1.0
// @namespace TheOtaku
// @author FrozenVoid
// @description Bruteforces quiz answers
// @include
http://www.theotaku.com/quizzes/*
// @run-at document-end
// ==/UserScript==
function qsa(str){return document.querySelectorAll(str)}
qsa('form[name=quiz_form]')[0].setAttribute('onsubmit','true');
window.setTimeout(fill,1000)
function fill(){
var a=qsa('form[name=quiz_form] input')
for(var i=0;i<a.length;i++){
if (a
[i].type=="checkbox" && Math.random()<0.5 )a
[i].click()
if(a
[i].type=="radio" && Math.random()<0.1)a
[i].click()
var c=qsa('form[name=quiz_form]')
c[0].submit()
}