diff --git a/GruntFile.js b/GruntFile.js
index 8750641e..f21c25df 100644
--- a/GruntFile.js
+++ b/GruntFile.js
@@ -2,7 +2,7 @@ module.exports = function (grunt) {
     grunt.loadNpmTasks('grunt-typescript');
     grunt.loadNpmTasks('grunt-contrib-watch');
     grunt.loadNpmTasks('grunt-contrib-copy');
- 
+
     grunt.initConfig({
         pkg: grunt.file.readJSON('package.json'),
         typescript: {
@@ -14,18 +14,45 @@ module.exports = function (grunt) {
                 }
             }
         },
-	copy: {
-	    main: {
-	    files: [
-		{src: 'build/phaser.js', dest: 'Tests/phaser.js'}
-	    ]}
-	},
-        watch: {
+		copy: {
+			main: {
+				files: [{
+					src: 'build/phaser.js',
+					dest: 'Tests/phaser.js'
+				}]
+			},
+			amd: {
+				files: [{
+					src: 'build/phaser.js',
+					dest: 'build/phaser.amd.js'
+				}],
+				options: {
+					processContent: function(content) {
+						var replacement = [
+							'(function (root, factory) {',
+							'    if (typeof exports === \'object\') {',
+							'        module.exports = factory();',
+							'    } else if (typeof define === \'function\' && define.amd) {',
+							'        define(factory);',
+							'    } else {',
+							'        root.Phaser = factory();',
+							'  }',
+							'}(this, function () {',
+							content,
+							'return Phaser;',
+							'}));'
+						];
+						return replacement.join('\n');
+					}
+				}
+			}
+		},
+		watch: {
             files: '**/*.ts',
             tasks: ['typescript', 'copy']
         }
     });
- 
+
     grunt.registerTask('default', ['watch']);
- 
+
 }