app.js

window.onload = function() {

  //  Create your Phaser game and inject it into the gameContainer div.
  //  We did it in a window.onload event, but you can do it anywhere (requireJS load, anonymous function, jQuery dom ready, - whatever floats your boat)
  var game = new Phaser.Game(800, 600, Phaser.AUTO, 'gameContainer');

  //  Add the States your game has.
  //  You don't have to do this in the html, it could be done in your Boot state too, but for simplicity I'll keep it here.
  game.state.add('Boot', BasicGame.Boot);
  game.state.add('Preloader', BasicGame.Preloader);
  game.state.add('MainMenu', BasicGame.MainMenu);
  game.state.add('Game', BasicGame.Game);

  //  Now start the Boot state.
  game.state.start('Game');

};