I did some followup research on this, and it looks like it's from pixi.js var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create}); var pixel; var texture; function preload() { //png of a single 1x1 pixel game.load.image('pixel', './img/pixel.png'); } function create() { pixel = game.make.sprite(0, 0, 'pixel'); texture = game.add.renderTexture(800, 600, 'texture'); game.add.sprite(0, 0, texture); plot(); } func