Group now extends PIXI.DisplayObjectContainer, rather than owning a _container property, which makes life a whole lot easier re: nesting.

examples/wip/misc/world.js

@@ -0,0 +1,39 @@
+
+var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update, render: render });
+
+function preload() {
+
+    game.load.spritesheet('gameboy', 'assets/sprites/gameboy_seize_color_40x60.png', 40, 60);
+
+}
+
+var sprite;
+
+function create() {
+
+	game.stage.backgroundColor = '#124184';
+
+	game.physics.gravity.y = 200;
+
+    sprite = game.add.sprite(200, 250, 'gameboy', 4);
+    sprite.name = 'green';
+    sprite.body.collideWorldBounds = true;
+    // sprite.anchor.setTo(0.5, 0.5);
+
+    sprite.body.bounce.setTo(0.9, 0.9);
+    sprite.body.velocity.x = 150;
+
+}
+
+function update() {
+
+	// sprite.worldTransform[2] += 1;
+
+}
+
+function render() {
+
+	game.debug.renderBodyInfo(sprite, 32, 32);
+	game.debug.renderPhysicsBody(sprite.body);
+
+}