Browser Game Engine Detector (+ Version)

Detects current game engine
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// ==UserScript==
// @name         Browser Game Engine Detector (+ Version)
// @description Detects current game engine
// @match        *://*/*
// @grant        none
// @license MIT
// @version 0.0.1.20260321154450
// @namespace https://greasyfork.org/users/1492052
// ==/UserScript==

(function() {

    function detectEngine() {
        let engine = "Unknown";
        let version = "Unknown";

        // Phaser
        if (window.Phaser) {
            engine = "Phaser";
            version = window.Phaser.VERSION || version;
        }

        else if (window.cc) {
            engine = "Cocos Creator";
            version = window.cc.ENGINE_VERSION || version;
        }

        else if (window.createUnityInstance) {
            engine = "Unity WebGL";
            if (window.Module && window.Module.unityVersion) {
                version = window.Module.unityVersion;
            } else {
                version = "Check UnityLoader.js filename";
            }
        }

        else if (window.THREE) {
            engine = "Three.js";
            version = window.THREE.REVISION || version;
        }

        else if (window.ex) {
            engine = "Excaliber.js";
            version = "Unknown";
        }

        else if (window.pc) {
            engine = "PlayCanvas";
            version = window.pc.version || version;
        }

        else if (window.BABYLON) {
            engine = "Babylon.js";
            version = window.BABYLON.Engine ? window.BABYLON.Engine.Version : version;
        }

        else if (window.Engine) {
            engine = "Godot Web";
            version = window.Engine.VERSION || version;
        }

        else if (window.gdjs) {
            engine = "GDevelop";
            version = window.gdjs.VERSION || version;
        }

        else if (window.C3 || window.runtime) {
            engine = "Construct 3";
            if (window.C3 && window.C3.version) version = window.C3.version;
        }
        else {
            const scripts = Array.from(document.scripts).map(s => s.src);
            for (let src of scripts) {
                if (/c3runtime.*\.js/i.test(src)) {
                    engine = "Construct 3";
                    const match = src.match(/c3runtime[-.]([0-9]+)\.js/i);
                    if (match) version = match[1];
                    break;
                }
                if (/c2runtime.*\.js/i.test(src)) {
                    engine = "Construct 2";
                    const match = src.match(/c2runtime[-.]([0-9]+)\.js/i);
                    if (match) version = match[1];
                    break;
                }
                if (/UnityLoader.*\.js/i.test(src)) {
                    engine = "Unity WebGL";
                    const match = src.match(/UnityLoader[-.]([0-9.]+)\.js/i);
                    if (match) version = match[1];
                    break;
                }
            }
        }

        return { engine, version };
    }

    setTimeout(() => {
        const detected = detectEngine();

        if (detected.engine !== "Unknown") {
            const badge = document.createElement("div");
            badge.innerText = `Engine: ${detected.engine} | Version: ${detected.version}`;
            badge.style.position = "fixed";
            badge.style.bottom = "10px";
            badge.style.right = "10px";
            badge.style.background = "black";
            badge.style.color = "white";
            badge.style.padding = "6px 10px";
            badge.style.fontSize = "12px";
            badge.style.zIndex = 999999;
            badge.style.borderRadius = "5px";
            badge.style.fontFamily = "monospace";
            document.body.appendChild(badge);
        }
    }, 2000);

})();