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Join Random Game Mode

Join a new game on your region with the highest player count for a random game mode that is not full when you press a certain key

  1. // ==UserScript==
  2. // @name         Join Random Game Mode
  3. // @namespace    violentmonkey
  4. // @version      3.1.3.3.7
  5. // @description  Join a new game on your region with the highest player count for a random game mode that is not full when you press a certain key
  6. // @author       hitthemoney, moongazer07
  7. // @match        *://krunker.io/*
  8. // @exclude     *://krunker.io/social.html*
  9. // @exclude     *://krunker.io/editor.html*
  10. // @grant        GM_xmlhttpRequest
  11. // @license      MIT
  12. // ==/UserScript==
  13.  
  14. const joinKey = "F4"; // Join game shortcut key, case sensitive
  15. const gameModes = [0, 1, 2, 3, 10, 13, 14, 19, 21, 25, 27, 28, 29, 33, 34]; // Game mode IDs
  16.  
  17. const getRandomGameMode = async () => {
  18.     return new Promise((resolve, reject) => {
  19.         GM_xmlhttpRequest({
  20.             method: "GET",
  21.             url: "https://www.random.org/integers/?num=1&min=0&max=14&col=1&base=10&format=plain&rnd=new",
  22.             onload: function(response) {
  23.                 if (response.status === 200) {
  24.                     resolve(gameModes[parseInt(response.responseText.trim())]);
  25.                 } else {
  26.                     reject(new Error("Failed to fetch random number from Random.org"));
  27.                 }
  28.             },
  29.             onerror: function(error) {
  30.                 reject(new Error("Failed to fetch random number from Random.org"));
  31.             }
  32.         });
  33.     });
  34. };
  35.  
  36. const getTopGame = async () => {
  37.     const region = window.localStorage.pingRegion7 || (await fetch(`https://matchmaker.krunker.io/game-info?game=${encodeURIComponent(window.getGameActivity().id)}`).then(res => res.json()));
  38.     const gameData = (await fetch(`https://matchmaker.krunker.io/game-list?hostname=${window.location.hostname}`).then(res => res.json())).games;
  39.     
  40.     const targetGameMode = await getRandomGameMode();
  41.  
  42.     const filData = gameData.filter(game =>
  43.         game[1] === region &&
  44.         game[4].g === targetGameMode &&
  45.         game[4].c === 0 &&
  46.         game[2] < game[3]
  47.     ).sort((x, y) => y[2] - x[2]);
  48.     
  49.     return filData[0];
  50. }
  51.  
  52. const joinTopGame = async () => {
  53.     const targetGame = await getTopGame();
  54.     window.location.href = `/?game=${targetGame[0]}`;
  55. }
  56.  
  57. window.addEventListener("keydown", async (event) => {
  58.     switch (event.key) {
  59.         case joinKey: {
  60.             await joinTopGame();
  61.             break;
  62.         }
  63.     }
  64. });