Greasy Fork

*
// @match *://moomoo.io/*
// @match *://sandbox.moomoo.io/*
// @match *://dev.moomoo.io/*
// @match *://*.moomoo.io/*
// @match *://surviv.io/*
// @match *://agar.io/*
// @match *://slither.io/*
// @match *://diep.io/*
// @match *://deeeep.io/*
// @match *://evowars.io/*
// @match *://zombs.io/*
// @match *://paper-io.com/*
// @match *://skribbl.io/*
// @grant GM.setValue
// @grant GM.getValue
// @grant unsafeWindow
// @run-at document_start
+// @antifeature tracking
// @require https://greasyfork.org/scripts/410512-sci-js-from-ksw2-center/code/scijs%20(from%20ksw2-center).js
// ==/UserScript==

//retested code, still all works?
var name;
(async () => {
if (await GM.getValue("name", null) == null) {
//first exec
await GM.setValue("name", "name");
};
name = await GM.getValue("name", 0);
})();

function execute() {
switch (window.location.host) {
case 'starve.io': document.getElementById("nickname_input").value = name; break;
case 'surviv.io': document.getElementById("player-name-input-solo").value = name; break;
case 'moomoo.io': document.getElementById("nameInput").value = name; break;
case 'sandbox.moomoo.io': document.getElementById("nameInput").value = name; break;
case 'dev.moomoo.io': document.getElementById("nameInput").value = name; break;
case 'agar.io': document.getElementById("nick").value = name; break;
case 'slither.io': document.getElementById("nick").value = name; break;
case 'diep.io': document.getElementById("textInput").value = name; break;
case 'deeeep.io': document.getElementsByClassName("name")[0].value = name; break;
case 'evowars.io': document.querySelectorAll("input")[0].value = name; break;
case 'zombs.io': document.getElementsByClassName("hud-intro-name")[0].value = name; break;
case 'paper-io.com': document.getElementById("paperio_p1").value = name; break;
case 'skribbl.io': document.getElementById("inputName").value = name; break;
};
};
//for actual key executions, use `name` variable to do everything

document.onkeydown = keydown;
async function keydown (evt) {
if (!evt) evt = event;
if (evt.ctrlKey && evt.code === 'Backquote' && !evt.shiftKey) { //ctrl + ~
evt.preventDefault();
execute();
alert("Executed name call!");
};
if (evt.ctrlKey && evt.shiftKey && evt.code === 'Backquote') { //ctrl + shift + ~
evt.preventDefault();
var new_name =
prompt("New Name");
GM.setValue("name", new_name || "none");
name = new_name;
execute();