import 'phaser'; var config = { type: Phaser.AUTO, parent: 'phaser-example', width: 800, height: 600, scene: { preload: preload, create: create } }; var game = new Phaser.Game(config); function preload () { this.load.image('logo', 'assets/logo.png'); } function create () { var logo = this.add.image(400, 150, 'logo'); this.tweens.add({ targets: logo, y: 450, duration: 2000, ease: 'Power2', yoyo: true, loop: -1 }); }