kongregatetagpro.user.js

// ==UserScript==
// @name         Kongregate Larger Game Size
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Maximize the viewport
// @author       Some Ball -1, Catalyst
// @include      http://www.kongregate.com/games/koalabeast/tagpro*
// @grant        none
// ==/UserScript==


function wait() {
    if(!window.GameIframe || !window.GameIframe.prototype.setSizeToMaxForWindow) return setTimeout(wait);
    
    let width = window.innerWidth;
    let height = window.innerHeight;
    
    var sstmfw = window.GameIframe.prototype.setSizeToMaxForWindow
    window.GameIframe.prototype.setSizeToMaxForWindow = function() {
        this.config.max_game_width = width;
        this.config.max_game_height = height;
        return sstmfw.apply(this,arguments);
    }
}
wait();