SpriteBatch converted. It's an extended Group and Batch merged and works amazingly :) Ported over the maggots demo to test and wow!

src/gameobjects/GameObjectFactory.js

@@ -109,6 +109,24 @@ Phaser.GameObjectFactory.prototype = {
 
     },
 
+    /**
+    * A Group is a container for display objects that allows for fast pooling, recycling and collision checks.
+    *
+    * @method Phaser.GameObjectFactory#spriteBatch
+    * @param {any} parent - The parent Group or DisplayObjectContainer that will hold this group, if any.
+    * @param {string} [name='group'] - A name for this Group. Not used internally but useful for debugging.
+    * @param {boolean} [addToStage=false] - If set to true this Group will be added directly to the Game.Stage instead of Game.World.
+    * @return {Phaser.Group} The newly created group.
+    */
+    spriteBatch: function (parent, name, addToStage) {
+
+        if (typeof name === 'undefined') { name = 'group'; }
+        if (typeof addToStage === 'undefined') { addToStage = false; }
+
+        return new Phaser.SpriteBatch(this.game, parent, name, addToStage);
+
+    },
+
     /**
     * Creates a new Sound object.
     *

src/gameobjects/SpriteBatch.js

@@ -0,0 +1,35 @@
+/**
+* @author       Richard Davey <rich@photonstorm.com>
+* @copyright    2014 Photon Storm Ltd.
+* @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
+*/
+
+/**
+* Phaser SpriteBatch constructor.
+* @class Phaser.SpriteBatch
+* @classdesc A Group is a container for display objects that allows for fast pooling and object recycling. Groups can be nested within other Groups and have their own local transforms.
+* @constructor
+* @param {Phaser.Game} game - A reference to the currently running game.
+* @param {Phaser.Group|Phaser.Sprite} parent - The parent Group, DisplayObject or DisplayObjectContainer that this Group will be added to. If undefined or null it will use game.world.
+* @param {string} [name=group] - A name for this Group. Not used internally but useful for debugging.
+* @param {boolean} [addToStage=false] - If set to true this Group will be added directly to the Game.Stage instead of Game.World.
+*/
+Phaser.SpriteBatch = function (game, parent, name, addToStage) {
+
+    PIXI.SpriteBatch.call(this);
+
+    Phaser.Group.call(this, game, parent, name, addToStage);
+
+    /**
+    * @property {number} type - Internal Phaser Type value.
+    * @protected
+    */
+    this.type = Phaser.SPRITEBATCH;
+
+};
+
+// Phaser.SpriteBatch.prototype = Object.create(Phaser.Group.prototype);
+
+Phaser.SpriteBatch.prototype = Phaser.Utils.extend(true, Phaser.SpriteBatch.prototype, Phaser.Group.prototype, PIXI.SpriteBatch.prototype);
+
+Phaser.SpriteBatch.prototype.constructor = Phaser.SpriteBatch;