When the Game first boots it will now call window.focus(). This allows keyboard events to work properly in IE when the game is running inside an iframe. You can stop this from happening by setting window.PhaserGlobal.stopFocus = true (thanks @webholics phaserjs#1681)

Author: photonstorm

README.md

@@ -184,6 +184,7 @@ We've rolled our own fixes into our version of Pixi, ensuring we keep it as bug-
 * Text style has a new optional property: `backgroundColor` which is a Canvas fill style that is set behind all Text in the Text object. It allows you to set a background color without having to use an additional Graphics object.
 * The Physics Manager now has a new `reset` method which will reset the active physics systems. This is called automatically on a State swap (thanks @englercj #1691)
 * When a State is started and linked to Phaser it has a new property created on it: `key`, which is the string identifier used by the State.
+* When the Game first boots it will now call `window.focus()`. This allows keyboard events to work properly in IE when the game is running inside an iframe. You can stop this from happening by setting `window.PhaserGlobal.stopFocus = true` (thanks @webholics #1681)
 
 ### Bug Fixes
 

src/core/Game.js

@@ -578,6 +578,14 @@ Phaser.Game.prototype = {
 
         this._kickstart = true;
 
+        if (window['focus'])
+        {
+            if (!window['PhaserGlobal'] || (window['PhaserGlobal'] && !window['PhaserGlobal'].stopFocus))
+            {
+                window.focus();
+            }
+        }
+
         this.raf.start();
 
     },