text: 
  var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, render: render });
  
  // Groups for storing friends and enemies, may use for collision later.
  var friendAndFoe;
  var enemies;
  
  // Groups for teaming up stuff.
  var normalBaddies;
  var purpleBaddies;
  
  function preload() {
  
      game.load.image('ufo', 'assets/sprites/ufo.png');
      game.load.image('baddie', 'assets/sprites/space-baddie.png');
      game.load.image('purple-baddie', 'assets/sprites/space-baddie-purple.png');
      
  }
  
  function create() {
  
      // Create some local groups for later use.
      friendAndFoe = game.add.group();
      enemies = game.add.group();
      normalBaddies = game.add.group();
      purpleBaddies = game.add.group();
  
      // Add both teams to enemies group, using the Pixi container otherwise it's impossible 
      enemies.add(normalBaddies._container);
      enemies.add(purpleBaddies._container);
  
  
      // Create a ufo as a friend sprite.
      friendAndFoe.create(200, 240, 'ufo');
  
      // Create some enemies.
      for (var i = 0; i < 16; i++)
      {
          createBaddie();
      }
  
      // Tap to create new baddie sprites.
      game.input.onTap.add(createBaddie, this);
  
  }
  
  function createBaddie() {
  
      var baddie;
  
      // Of course, the baddies created will belong to their respective groups
      if (Math.random() > 0.5)
      {
          baddie = purpleBaddies.create(360 + Math.random() * 200, 120 + Math.random() * 200, 'purple-baddie');
      }
      else
      {
          baddie = normalBaddies.create(360 + Math.random() * 200, 120 + Math.random() * 200, 'baddie');
      }
      
  }
  
  function render() {
  
      game.debug.renderStyle = '#fff';
      game.debug.renderText('Tap screen or click to create new baddies.', 16, 24);
      game.debug.renderText('enemies: ' + enemies.length + ' (actually ' + enemies.length + ' groups)', 16, 48);
      game.debug.renderText('normal baddies: ' + normalBaddies.length, 16, 60);
      game.debug.renderText('purple baddies: ' + purpleBaddies.length, 16, 72);
      game.debug.renderText('friends: ' + friendAndFoe.length, 16, 96);
  
  }
  