diff --git a/README.md b/README.md
index 45474e9..099de17 100644
--- a/README.md
+++ b/README.md
@@ -47,13 +47,12 @@ In your local scratch directory
 $ npm install
 ```
 
-Local copy of jQuery and mock-ajax
-----------------------------------
+Local copy of jQuery
+--------------------
 
 ```
 $ cd test/lib
 $ curl http://code.jquery.com/jquery-1.11.0.min.js > jquery-1.11.0.min.js
-$ curl http://cloud.github.com/downloads/pivotal/jasmine-ajax/mock-ajax.js > mock-ajax.js
 ```
 
 To Run the tests
diff --git a/compare.html b/compare.html
index b538775..0f3a26a 100644
--- a/compare.html
+++ b/compare.html
@@ -9,7 +9,7 @@
 <script src=//ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js></script>
 
 
-<script type="text/javascript">
+<script>
   $(document).ready(function() {
     var project_id = location.hash && parseInt(location.hash.substr(1)) || 10000160;
     var scratch = new Scratch(project_id);
diff --git a/js/Sprite.js b/js/Sprite.js
index b00065d..3a376f7 100644
--- a/js/Sprite.js
+++ b/js/Sprite.js
@@ -273,15 +273,13 @@ Sprite.prototype.onClick = function(evt) {
 };
 
 Sprite.prototype.setVisible = function(v) {
-  if (v === true || v === false) {
-    this.visible = v;
-    this.updateVisible();
-  }
+  this.visible = v;
+  this.updateVisible();
 };
 
 Sprite.prototype.updateLayer = function() {
     $(this.mesh).css('z-index', this.z);
-    if (this.talkBubble) $(this.talkBubble).css('z-index', this.z);
+    if (this.talkBubble) this.talkBubble.css('z-index', this.z);
     if (this.askInput) this.askInput.css('z-index', this.z);
 };
 
diff --git a/test/artifacts/reporterValues.js b/test/artifacts/reporterValues.js
index 484b990..8fdc1b4 100644
--- a/test/artifacts/reporterValues.js
+++ b/test/artifacts/reporterValues.js
@@ -20,72 +20,28 @@ var ReporterValues = function() {
   }
 };
 /*
-cmd
-  "getVar:"
+Additional Reporter examples
+cmd : "getVar:"
+color : 15629590
+isDiscrete : true
+mode : 1
+param : "myAnswer2"
+sliderMax : 100
+sliderMin : 0
+target : "Sprite1"
+visible : true
+x : 5
+y : 32
   
-color
-  15629590
-  
-isDiscrete
-  true
-  
-mode
-  1
-  
-param
-  "myAnswer2"
-  
-sliderMax
-  100
-  
-sliderMin
-  0
-  
-target
-  "Sprite1"
-  
-visible
-  true
-  
-x
-  5
-  
-y
-  32
-*/
-
-/*
-  
-cmd
-  "getVar:"
-  
-color
-  15629590
-  
-isDiscrete
-  true
-  
-mode
-  1
-  
-param
-  "answer"
-  
-sliderMax
-  100
-  
-sliderMin
-  0
-  
-target
-  "Sprite1"
-  
-visible
-  true
-  
-x
-  5
-  
-y
-  59
+cmd : "getVar:"
+color : 15629590
+isDiscrete : true
+mode : 1
+param : "answer"
+sliderMax : 100
+sliderMin : 0
+target : "Sprite1"
+visible : true
+x : 5
+y : 59
 */
diff --git a/test/unit/interpreterSpec.js b/test/unit/interpreterSpec.js
index 7ad7ed4..0aa3468 100644
--- a/test/unit/interpreterSpec.js
+++ b/test/unit/interpreterSpec.js
@@ -1,13 +1,13 @@
 /* jasmine specs for Interpreter.js go here */
 
-describe ('Interpreter', function() {
+describe('Interpreter', function() {
   var interp;
 
   beforeEach(function() {
     interp = Interpreter;
   });
 
-  describe('Instantization variables', function() {
+  describe('Initialized variables', function() {
     var initInterp, realThread, realTimer;
     beforeEach(function() {
       realThread = Thread;
diff --git a/test/unit/ioSpec.js b/test/unit/ioSpec.js
index f986bc8..c869bdb 100644
--- a/test/unit/ioSpec.js
+++ b/test/unit/ioSpec.js
@@ -13,10 +13,6 @@ describe('IO', function(){
     expect(io.data).toBe(null);
   });
 
-  it('should have "null" data', function() {
-    expect(io.data).toBe(null);
-  });
-
   it('should have a base', function() {
     expect(io.base).toBe(io_base);
   });
diff --git a/test/unit/looksPrimitiveSpec.js b/test/unit/looksPrimitiveSpec.js
index fab10d5..86a5777 100644
--- a/test/unit/looksPrimitiveSpec.js
+++ b/test/unit/looksPrimitiveSpec.js
@@ -1,13 +1,13 @@
 /* jasmine specs for primitives/LooksPrims.js go here */
 
-describe ('LooksPrims', function() {
+describe('LooksPrims', function() {
   var looksPrims, targetSpriteMock;
   beforeEach(function() {
     looksPrims = LooksPrims;
     targetSpriteMock = targetMock();
   });
 
-  describe('showBubble for Say', function(){
+  describe('showBubble for say', function(){
     var sayBlock;
     beforeEach(function() {
       sayBlock = {'args': ['what to say']};
@@ -21,7 +21,7 @@ describe ('LooksPrims', function() {
     });
   });
 
-  describe('showBubble for Think', function(){
+  describe('showBubble for think', function(){
     var thinkBlock;
     beforeEach(function() {
       thinkBlock = {'args': ['what to think']};
@@ -35,7 +35,7 @@ describe ('LooksPrims', function() {
     });
   });
 
-  describe('showBubble for Ask', function(){
+  describe('showBubble for ask', function(){
     var askBlock;
     beforeEach(function() {
       askBlock = {'args': ['what to ask']};
diff --git a/test/unit/reporterSpec.js b/test/unit/reporterSpec.js
index 7a51ebd..4eb36ac 100644
--- a/test/unit/reporterSpec.js
+++ b/test/unit/reporterSpec.js
@@ -1,6 +1,6 @@
 /* jasmine specs for Reporter.js go here */
 
-describe ('Reporter', function() {
+describe('Reporter', function() {
   var reporter, reporterValues;
 
   beforeEach(function() {
@@ -8,7 +8,7 @@ describe ('Reporter', function() {
     reporterValues = new ReporterValues();
   });
 
-  describe('Instantization variables', function() {
+  describe('Initialized variables', function() {
     var initReporter;
     beforeEach(function() {
       io = new ioMock({'getCount': 4});
diff --git a/test/unit/runTimeSpec.js b/test/unit/runTimeSpec.js
index e30f600..16b7d6c 100644
--- a/test/unit/runTimeSpec.js
+++ b/test/unit/runTimeSpec.js
@@ -1,13 +1,13 @@
 /* jasmine specs for Runtime.js go here */
 
-describe ('Runtime', function() {
+describe('Runtime', function() {
   var runtimeObj;
 
   beforeEach(function() {
     runtimeObj = Runtime;
   });
 
-  describe('Instantization variables', function() {
+  describe('Initialized variables', function() {
     var initRuntime, lineCanvas;
     beforeEach(function() {
       initRuntime = new runtimeObj();
@@ -83,9 +83,9 @@ describe ('Runtime', function() {
       expect(interp.activeThread).toEqual(new threadMock());
     });
 
-    it('should call a blank thread array ', function() {
+    it('should intitialize an empty threads array', function() {
       runtimeObj.prototype.stopAll();
-      expect(interp.activeThread).toEqual(new threadMock());
+      expect(interp.threads).toEqual([]);
     });
 
     it('should call stopAllSounds', function() {
diff --git a/test/unit/scratchSpec.js b/test/unit/scratchSpec.js
index 0852e46..e7213ce 100644
--- a/test/unit/scratchSpec.js
+++ b/test/unit/scratchSpec.js
@@ -1,30 +1,36 @@
 /* jasmine specs for Scratch.js go here */
 
-describe ('Scratch', function() {
+describe('Scratch', function() {
+    var scratch;
+
+    beforeEach(function() {
+      spyOn(IO.prototype, "loadProject");
+      spyOn(Runtime.prototype, "init");
+      spyOn(Interpreter.prototype, "initPrims");
+      scratch = Scratch;
+    });
+
     describe('Scratch - Load Project', function(){
-      var request, scratch;
-      var callBack = jasmine.createSpy('onSuccess');
-
-      var TestResponses = { status: 200, responseText: returnData};
-
       beforeEach(function() {
-        jasmine.Ajax.useMock();
-        scratch = Scratch;
         scratch(project_id);
-        request = mostRecentAjaxRequest();
-        request.promise(TestResponses, callBack);
       });
 
-      it('should call the internalapi project', function() {
-        expect(request.url).toBe("proxy.php?resource=internalapi/project/" + project_id + "/get/");
-        expect(callBack).toHaveBeenCalled();
+      it('should call the IO loadProject Method', function() {
+        expect(IO.prototype.loadProject).toHaveBeenCalled();
+      });
+
+      it('should call the Runtime init method', function() {
+        expect(Runtime.prototype.init).toHaveBeenCalled();
+      });
+
+      it('should call the Interpreter initPrims method', function() {
+        expect(Interpreter.prototype.initPrims).toHaveBeenCalled();
       });
     });
 
     describe('Scratch - Click Green Flag', function(){
       beforeEach(function() {
         setFixtures('<button id=trigger-green-flag tabindex=2></button><div id="overlay"></div>');
-        scratch = Scratch;
         scratch(project_id);
       });
 
@@ -48,7 +54,6 @@ describe ('Scratch', function() {
     describe('Scratch - Click Stop', function(){
       beforeEach(function() {
         setFixtures('<button id=trigger-stop tabindex=3></button>');
-        scratch = Scratch;
         scratch(project_id);
       });
 
diff --git a/test/unit/sensingPrimitiveSpec.js b/test/unit/sensingPrimitiveSpec.js
index 4b3ac4d..570f771 100644
--- a/test/unit/sensingPrimitiveSpec.js
+++ b/test/unit/sensingPrimitiveSpec.js
@@ -1,6 +1,6 @@
 /* jasmine specs for primitives/SensingPrims.js go here */
 
-describe ('SensingPrims', function() {
+describe('SensingPrims', function() {
   var sensingPrims;
   beforeEach(function() {
     sensingPrims = SensingPrims;
diff --git a/test/unit/spriteSpec.js b/test/unit/spriteSpec.js
index 5d5016d..ebb867b 100644
--- a/test/unit/spriteSpec.js
+++ b/test/unit/spriteSpec.js
@@ -1,13 +1,13 @@
 /* jasmine specs for Sprite.js go here */
 
-describe ('Sprite', function() {
+describe('Sprite', function() {
   var sprite;
 
   beforeEach(function() {
     sprite = Sprite;
   });
 
-  describe('Instantization variables', function() {
+  describe('Initialized variables', function() {
     var initSprite;
     beforeEach(function() {
       var spriteObject = sensingData.children[0];
@@ -386,13 +386,5 @@ describe ('Sprite', function() {
       expect(spriteProto.visible).toBe(false);
       expect(spriteProto.updateVisible).toHaveBeenCalled();
     });
-
-    it('should set take no action on an invalid character', function() {
-      spriteProto.visible = true;
-      spriteProto.setVisible('hello');
-      expect(spriteProto.visible).toBe(true);
-      expect(spriteProto.updateVisible).not.toHaveBeenCalled();
-    });
   });
-
 });
diff --git a/test/unit/stageSpec.js b/test/unit/stageSpec.js
index 32a7d2e..a6ee5e1 100644
--- a/test/unit/stageSpec.js
+++ b/test/unit/stageSpec.js
@@ -1,13 +1,13 @@
 /* jasmine specs for Stage.js go here */
 
-describe ('Stage', function() {
+describe('Stage', function() {
   var stage;
 
   beforeEach(function() {
     stage = Stage;
   });
 
-  describe('Instantization variables', function() {
+  describe('Initialized variables', function() {
     var initStage, lineCanvas;
     beforeEach(function() {
       spyOn(Sprite, "call");
diff --git a/test/unit/threadSpec.js b/test/unit/threadSpec.js
index ab7f24b..556f8e5 100644
--- a/test/unit/threadSpec.js
+++ b/test/unit/threadSpec.js
@@ -1,13 +1,13 @@
 /* jasmine specs for Interpreter.js -> Thread go here */
 
-describe ('Thread', function() {
+describe('Thread', function() {
   var thread;
 
   beforeEach(function() {
     thread = Thread;
   });
 
-  describe('Instantization variables', function() {
+  describe('Initialized variables', function() {
     var initThread;
     beforeEach(function() {
       initThread = new thread('block', 'target');