Slither.io Zoom Hack WORKING 2025

Allows zooming in and out in Slither.io using keys 8 and 9. Key 1 reset the zoom - The domain name changed for slither so this has been updated to work.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Slither.io Zoom Hack WORKING 2025
// @namespace    http://slither.io/
// @version      1.0
// @description  Allows zooming in and out in Slither.io using keys 8 and 9. Key 1 reset the zoom - The domain name changed for slither so this has been updated to work.
// @author       Icewerve
// @grant        none
// @match        http://slither.com/io
// @match        http://slither.io/?c
// @match        http://slither.io
// @license      MIT

// ==/UserScript==

// Enable debug logging
window.logDebugging = false;
window.log = function() {
    if (window.logDebugging) {
        console.log.apply(console, arguments);
    }
};

window.zoomMultiplier = 1.0;

window.updateZoom = function() {
    window.gsc = window.zoomMultiplier;
    document.getElementById("zoom_overlay").innerHTML =
        `Press (8/9) to change zoom: ${window.zoomMultiplier.toFixed(1)}`;
};


window.recursiveZoomUpdate = function() {
    window.gsc = window.zoomMultiplier;
    requestAnimationFrame(window.recursiveZoomUpdate);
};


window.resetZoom = function() {
    window.zoomMultiplier = 1.0;
    window.updateZoom();
};

window.adjustZoom = function(amount) {
    window.zoomMultiplier = Math.max(0.2, Math.min(3.0, window.zoomMultiplier + amount));
    window.updateZoom();
};

document.oldKeyDown = document.onkeydown;
document.onkeydown = function(e) {
    if (typeof document.oldKeyDown === "function") {
        document.oldKeyDown(e);
    }

    if (document.activeElement.parentElement !== window.nick_holder) {
        if (e.keyCode === 57) {
            window.adjustZoom(0.1);
        } else if (e.keyCode === 56) {
            window.adjustZoom(-0.1);
        } else if (e.keyCode === 49) {
            window.resetZoom();
        }
    }
};

window.initZoomOverlay = function() {
    let overlay = document.createElement("div");
    overlay.id = "zoom_overlay";
    overlay.style = "color: #FFF; font-family: Arial, sans-serif; font-size: 18px; position: fixed; left: 30px; top: 65px; z-index: 1000;";
    overlay.innerHTML = "Press (8/9) to change zoom: " +window.zoomMultiplier + '</span>';
    document.body.appendChild(overlay);
};

window.initt = function() {
    window.initZoomOverlay();
    window.updateZoom();
    window.recursiveZoomUpdate();
};

window.initt();