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A minimalist Kahoot mod menu. Features a live answer viewer and automated responding.
// ==UserScript==
// @name K-Bot | Kahoot Answer Viewer & Auto-Answer Cheat Mod Menu (Working 2026)
// @version 2.1
// @namespace juanbolsa
// @description A minimalist Kahoot mod menu. Features a live answer viewer and automated responding.
// @author juanbolsa
// @match https://kahoot.it/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=kahoot.it
// @license MIT
// @grant none
// ==/UserScript==
(function() {
'use strict';
// ─── Config ───────────────────────────────────────────────────────────────────
const VERSION = '2.1';
const MULTI_SELECT_STAGGER_MS = 60;
// ─── State ────────────────────────────────────────────────────────────────────
const state = {
questions: [],
numQuestions: 0,
questionNum: -1,
lastAnsweredQuestion: -1,
baseDelay: 0,
randomDelay: 0,
autoAnswer: false,
showAnswers: false,
};
// Keep track of DOM values to avoid redundant updates
let lastProcessedQuestionText = "";
// ─── DOM Helpers ──────────────────────────────────────────────────────────────
function queryBySelector(value, tag = '*') {
return document.querySelector(`${tag}[data-functional-selector="${value}"]`);
}
function createElement(tag, { styles = {}, className, text } = {}) {
const el = document.createElement(tag);
if (className) el.className = className;
if (text) el.textContent = text;
Object.assign(el.style, styles);
return el;
}
// ─── Inject Assets ────────────────────────────────────────────────────────────
const fontLink = document.createElement('link');
fontLink.rel = 'stylesheet';
fontLink.href = 'https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap';
document.head.appendChild(fontLink);
const globalStyle = document.createElement('style');
globalStyle.textContent = `
.kb-ui * {
box-sizing: border-box;
font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
.kb-ui button, .kb-input, .kb-switch-track::before {
transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.kb-ui {
/* 85% Opacity Backgrounds */
--bg: rgba(15, 15, 15, 0.75);
--surface: rgba(24, 24, 24, 0.75);
--border: rgba(255, 255, 255, 0.1);
--accent: #f0f0f0;
--muted: #888;
--green: #4caf74;
--red: #c0392b;
--text: #d8d8d8;
--label: #aaa;
/* Frosted Glass Effect */
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 1px rgba(255, 255, 255, 0.1);
}
.kb-handle {
cursor: grab;
user-select: none;
background: var(--surface);
border-bottom: 1px solid var(--border);
}
.kb-handle:active { cursor: grabbing; }
.kb-input {
width: 100% !important;
background-color: rgba(0, 0, 0, 0.3) !important;
border: 1px solid var(--border) !important;
color: #ffffff !important;
border-radius: 4px;
font-size: 13px;
font-weight: 600;
padding: 5px 8px;
outline: none;
transition: all 0.2s ease;
margin-top: 8px;
}
.kb-input:focus { border-color: rgba(255, 255, 255, 0.4) !important; }
.kb-input.ok { border-color: var(--green) !important; background: rgba(13, 46, 26, 0.6) !important; }
.kb-input.err { border-color: var(--red) !important; background: rgba(46, 13, 13, 0.6) !important; }
.kb-slider-wrap { display: flex; flex-direction: column; gap: 3px; }
.kb-slider-label { display: flex; justify-content: space-between; margin-bottom: 2px; }
.kb-slider-label span { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.kb-range {
-webkit-appearance: none;
width: 100%;
height: 4px;
background: rgba(255, 255, 255, 0.1);
border-radius: 2px;
outline: none;
}
.kb-range::-webkit-slider-thumb {
-webkit-appearance: none;
width: 14px;
height: 14px;
background: var(--accent);
border-radius: 50%;
cursor: pointer;
box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
.kb-toggle-row {
display: flex;
align-items: center;
justify-content: space-between;
padding: 6px 0;
border-bottom: 1px solid var(--border);
}
.kb-toggle-label { color: var(--text); font-size: 13px; font-weight: 600; }
.kb-switch { position: relative; width: 34px; height: 18px; }
.kb-switch input { opacity: 0; width: 0; height: 0; }
.kb-switch-track {
position: absolute;
inset: 0;
background: rgba(255, 255, 255, 0.1);
border-radius: 20px;
cursor: pointer;
transition: 0.3s;
}
.kb-switch-track::before {
content: '';
position: absolute;
width: 12px;
height: 12px;
left: 3px;
top: 3px;
background: #777;
border-radius: 50%;
transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.kb-switch input:checked + .kb-switch-track { background: rgba(76, 175, 116, 0.3); }
.kb-switch input:checked + .kb-switch-track::before {
transform: translateX(16px);
background: var(--green);
box-shadow: 0 0 8px var(--green);
}
.kb-divider { border: none; border-top: 1px solid var(--border); margin: 8px 0; }
.kb-section-title {
color: var(--muted);
font-size: 12px;
font-weight: 800;
text-transform: uppercase;
letter-spacing: 0.1em;
margin-bottom: 3px;
text-align: center;
}
.kb-stat { color: var(--accent); font-size: 18px; font-weight: 700; text-align: center; margin-top: 15px;}
.kb-credit { color: #666; font-size: 13px; text-align: center; margin-top: 2px; font-weight: 600; }
`;
document.head.appendChild(globalStyle);
// ─── UI Construction ──────────────────────────────────────────────────────────
const uiElement = createElement('div', {
className: 'kb-ui',
styles: { position: 'fixed', top: '5%', left: '5%', width: '240px', background: 'var(--bg)', border: '1px solid var(--border)', borderRadius: '6px', boxShadow: '0 8px 32px rgba(0,0,0,0.7)', zIndex: '9999' }
});
const handle = createElement('div', {
className: 'kb-handle',
styles: { display: 'flex', alignItems: 'center', justifyContent: 'space-between', padding: '6px 8px', background: 'var(--surface)', borderBottom: '1px solid var(--border)' }
});
handle.append(createElement('span', { text: 'K-Bot v'+VERSION, styles: { color: 'var(--accent)', fontSize: '13px', fontWeight: '700' } }));
const titleControls = createElement('div', { styles: { display: 'flex', gap: '5px' } });
const minimizeButton = createElement('button', { text: '-', styles: { background: '#888', border: 'none', width: '22px', height: '20px', cursor: 'pointer', borderRadius: '3px', color: '#fff', fontWeight: '800',} });
const closeButton = createElement('button', { text: '✕', styles: { background: '#c0392b', color: '#fff', border: 'none', width: '22px', height: '20px', cursor: 'pointer', borderRadius: '3px', fontWeight: '800',} });
titleControls.append(minimizeButton, closeButton);
handle.append(titleControls);
uiElement.appendChild(handle);
const body = createElement('div', { styles: { padding: '15px', display: 'flex', flexDirection: 'column', gap: '6px' } });
uiElement.appendChild(body);
// Quiz ID Input
const quizSection = document.createElement('div');
quizSection.append(createElement('div', { className: 'kb-section-title', text: 'Quiz ID' }));
const inputBox = createElement('input', { className: 'kb-input' });
inputBox.placeholder = 'Enter Quiz ID (NOT PIN)';
quizSection.appendChild(inputBox);
body.appendChild(quizSection);
body.appendChild(createElement('hr', { className: 'kb-divider' }));
// Sliders
function makeSlider(labelText, { min, max, step, value }, onInput) {
const wrap = createElement('div', { className: 'kb-slider-wrap' });
const labelRow = createElement('div', { className: 'kb-slider-label' });
const valSpan = createElement('span', { text: `${value} ms`, styles: { color: 'var(--accent)' } });
labelRow.append(createElement('span', { text: labelText, styles: { color: 'var(--label)' } }), valSpan);
const input = createElement('input', { className: 'kb-range' });
input.type = 'range'; Object.assign(input, { min, max, step, value });
input.oninput = () => { valSpan.textContent = `${input.value} ms`; onInput(+input.value); };
wrap.append(labelRow, input);
return wrap;
}
body.appendChild(createElement('div', { className: 'kb-section-title', text: 'Delay' }));
body.appendChild(makeSlider('Base', { min: 0, max: 10000, step: 100, value: state.baseDelay }, v => state.baseDelay = v));
body.appendChild(makeSlider('Random ±', { min: 0, max: 5000, step: 100, value: state.randomDelay }, v => state.randomDelay = v));
body.appendChild(createElement('hr', { className: 'kb-divider' }));
// Toggles
function makeToggle(label, key) {
const row = createElement('div', { className: 'kb-toggle-row' });
row.append(createElement('span', { className: 'kb-toggle-label', text: label }));
const sw = createElement('label', { className: 'kb-switch' });
const input = document.createElement('input'); input.type = 'checkbox';
input.onchange = () => state[key] = input.checked;
sw.append(input, createElement('span', { className: 'kb-switch-track' }));
row.append(sw);
return row;
}
body.appendChild(createElement('div', { className: 'kb-section-title', text: 'Answering' }));
body.appendChild(makeToggle('Auto Answer', 'autoAnswer'));
body.appendChild(makeToggle('Show Answers', 'showAnswers'));
const questionsLabel = createElement('div', { className: 'kb-stat', text: 'Question 0 / 0' });
body.appendChild(questionsLabel);
body.appendChild(createElement('div', { className: 'kb-credit', text: `v${VERSION} · juanbolsa` }));
document.body.appendChild(uiElement);
// ─── Logic ────────────────────────────────────────────────────────────────────
function triggerReactClick(btn) {
const fiberKey = Object.keys(btn).find((k) => k.startsWith('__reactFiber'));
if (!fiberKey) return;
let fiber = btn[fiberKey];
while (fiber) {
const onClick = fiber.memoizedProps?.onClick;
if (onClick) {
const nativeEvent = new MouseEvent('click', { bubbles: true, cancelable: true });
const trusted = new Proxy(nativeEvent, {
get(target, prop) {
if (prop === 'isTrusted') return true;
const val = target[prop];
return typeof val === 'function' ? val.bind(target) : val;
},
});
onClick(trusted);
return;
}
fiber = fiber.return;
}
}
function answer(question, delay) {
const performClick = (idx) => {
const btn = queryBySelector(`answer-${idx}`, 'button');
if (btn) triggerReactClick(btn);
};
if (question.type === 'quiz') {
setTimeout(() => performClick(question.answers[0]), delay);
} else if (question.type === 'multiple_select_quiz') {
question.answers.forEach((ans, i) => {
setTimeout(() => performClick(ans), delay + (i * MULTI_SELECT_STAGGER_MS));
});
setTimeout(() => {
const submit = queryBySelector('multi-select-submit-button', 'button');
if (submit) triggerReactClick(submit);
}, delay + (question.answers.length * MULTI_SELECT_STAGGER_MS));
}
}
function highlightAnswers(question) {
question.answers.forEach(i => {
const btn = queryBySelector(`answer-${i}`, 'button');
if (btn) btn.style.backgroundColor = 'rgb(0,255,0)';
});
question.incorrectAnswers?.forEach(i => {
const btn = queryBySelector(`answer-${i}`, 'button');
if (btn) btn.style.backgroundColor = 'rgb(255,0,0)';
});
}
function parseQuestions(raw) {
return raw.map(q => {
const p = { type: q.type, time: q.time, answers: [] };
if (q.choices) {
p.incorrectAnswers = [];
q.choices.forEach((c, i) => (c.correct ? p.answers : p.incorrectAnswers).push(i));
}
return p;
});
}
// ─── The Main Loop (Optimized) ────────────────────────────────────────────────
function pollFrame() {
const counterEl = queryBySelector('question-index-counter', 'div');
const currentText = counterEl ? counterEl.textContent : "";
// DIRTY CHECK: Only run logic if the question number text actually changed
if (currentText !== lastProcessedQuestionText) {
lastProcessedQuestionText = currentText;
if (currentText) {
state.questionNum = parseInt(currentText) - 1;
questionsLabel.textContent = `Question ${state.questionNum + 1} / ${state.numQuestions}`;
}
}
// Check if buttons are ready and we haven't answered this specific question index yet
const firstBtn = queryBySelector('answer-0', 'button');
if (firstBtn && state.lastAnsweredQuestion !== state.questionNum) {
state.lastAnsweredQuestion = state.questionNum;
const qData = state.questions[state.questionNum];
if (qData) {
if (state.showAnswers) highlightAnswers(qData);
if (state.autoAnswer) answer(qData, state.baseDelay + Math.floor(Math.random() * state.randomDelay));
}
}
requestAnimationFrame(pollFrame);
}
// ─── Event Handlers ──────────────────────────────────────────────────────────
inputBox.oninput = async () => {
const id = inputBox.value.trim();
inputBox.className = 'kb-input';
if (!id) return;
try {
const res = await fetch(`https://kahoot.it/rest/kahoots/${id}`);
if (!res.ok) throw 1;
const data = await res.json();
state.questions = parseQuestions(data.questions);
state.numQuestions = state.questions.length;
inputBox.classList.add('ok');
questionsLabel.textContent = `Question 1 / ${state.numQuestions}`;
} catch(e) {
inputBox.classList.add('err');
}
};
minimizeButton.onclick = () => {
const isMin = body.style.display === 'none';
body.style.display = isMin ? 'flex' : 'none';
minimizeButton.textContent = isMin ? '-' : '+';
};
closeButton.onclick = () => uiElement.remove();
// Draggable Logic
let dragging = false, offset = [0,0];
handle.addEventListener('mousedown', (e) => {
if (e.target.tagName === 'BUTTON') return;
dragging = true;
const rect = uiElement.getBoundingClientRect();
offset = [e.clientX - rect.left, e.clientY - rect.top];
});
document.addEventListener('mousemove', (e) => {
if (!dragging) return;
uiElement.style.left = `${e.clientX - offset[0]}px`;
uiElement.style.top = `${e.clientY - offset[1]}px`;
});
document.addEventListener('mouseup', () => dragging = false);
// Start
requestAnimationFrame(pollFrame);
})();