ADD TO index.html ::: game.state.add('Boot', BunnyDefender.Boot); CREATE Boot.js ::: var BunnyDefender = {}; BunnyDefender.Boot = function(game) {}; BunnyDefender.Boot.prototype = { preload: function() {}, create: function() { this.input.maxPointers = 1; this.stage.disableVisibilityChange = false; // pause game on tab change this.scale.scaleMode = Phaser.ScaleManager.SHOW_ALL; this.scale.minWidth = 270; this.scale.minHeight = 480; this.scale.pageAlignHorizontally = true; this.scale.pageAlignVertically = true; this.stage.forcePortrait = true; // force portrait mode this.scale.setScreenSize(true); // true will force screen resize no matter what this.input.addPointer(); this.stage.backgroundColor = '#171642'; } };